Home / 93,792.18-129,430.26-51,348.18

Finding the Fourth Proportional to 93,792.18, 129,430.26 and 51,348.18

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Solution

The fourth proportional to 93,792.18, 129,430.26 and 51,348.18 is: 70,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,792.18 : 129,430.26 = 51,348.18 : x
  2. Step 2: Convert to fraction form
    93,792.18/129,430.26 = 51,348.18/x
  3. Step 3: Cross multiply
    93,792.18x = 129,430.26 × 51,348.18
  4. Step 4: Simplify right side
    93,792.18x = 6,646,008,287.93
  5. Step 5: Solve for x
    x = 6,646,008,287.93/93,792.18
  6. Step 6: Final answer
    x = 70,858.87

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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.