Home / 91,799.60-126,683.10-51,513.28

Finding the Fourth Proportional to 91,799.60, 126,683.10 and 51,513.28

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Solution

The fourth proportional to 91,799.60, 126,683.10 and 51,513.28 is: 71,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,799.60 : 126,683.10 = 51,513.28 : x
  2. Step 2: Convert to fraction form
    91,799.60/126,683.10 = 51,513.28/x
  3. Step 3: Cross multiply
    91,799.60x = 126,683.10 × 51,513.28
  4. Step 4: Simplify right side
    91,799.60x = 6,525,861,684.86
  5. Step 5: Solve for x
    x = 6,525,861,684.86/91,799.60
  6. Step 6: Final answer
    x = 71,088.13

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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.