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Finding the Fourth Proportional to 84,535.65, 126,602.22 and 48,921.94

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Solution

The fourth proportional to 84,535.65, 126,602.22 and 48,921.94 is: 73,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,535.65 : 126,602.22 = 48,921.94 : x
  2. Step 2: Convert to fraction form
    84,535.65/126,602.22 = 48,921.94/x
  3. Step 3: Cross multiply
    84,535.65x = 126,602.22 × 48,921.94
  4. Step 4: Simplify right side
    84,535.65x = 6,193,626,552.42
  5. Step 5: Solve for x
    x = 6,193,626,552.42/84,535.65
  6. Step 6: Final answer
    x = 73,266.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.