Home / 91,349.73-126,064.89-51,070.18

Finding the Fourth Proportional to 91,349.73, 126,064.89 and 51,070.18

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Solution

The fourth proportional to 91,349.73, 126,064.89 and 51,070.18 is: 70,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,349.73 : 126,064.89 = 51,070.18 : x
  2. Step 2: Convert to fraction form
    91,349.73/126,064.89 = 51,070.18/x
  3. Step 3: Cross multiply
    91,349.73x = 126,064.89 × 51,070.18
  4. Step 4: Simplify right side
    91,349.73x = 6,438,156,623.98
  5. Step 5: Solve for x
    x = 6,438,156,623.98/91,349.73
  6. Step 6: Final answer
    x = 70,478.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.