Home / 84,509.25-126,888.48-47,142.33

Finding the Fourth Proportional to 84,509.25, 126,888.48 and 47,142.33

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Solution

The fourth proportional to 84,509.25, 126,888.48 and 47,142.33 is: 70,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,509.25 : 126,888.48 = 47,142.33 : x
  2. Step 2: Convert to fraction form
    84,509.25/126,888.48 = 47,142.33/x
  3. Step 3: Cross multiply
    84,509.25x = 126,888.48 × 47,142.33
  4. Step 4: Simplify right side
    84,509.25x = 5,981,818,597.36
  5. Step 5: Solve for x
    x = 5,981,818,597.36/84,509.25
  6. Step 6: Final answer
    x = 70,783.00

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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.