Home / 93,770.16-129,403.17-51,332.64

Finding the Fourth Proportional to 93,770.16, 129,403.17 and 51,332.64

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Solution

The fourth proportional to 93,770.16, 129,403.17 and 51,332.64 is: 70,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,770.16 : 129,403.17 = 51,332.64 : x
  2. Step 2: Convert to fraction form
    93,770.16/129,403.17 = 51,332.64/x
  3. Step 3: Cross multiply
    93,770.16x = 129,403.17 × 51,332.64
  4. Step 4: Simplify right side
    93,770.16x = 6,642,606,340.47
  5. Step 5: Solve for x
    x = 6,642,606,340.47/93,770.16
  6. Step 6: Final answer
    x = 70,839.23

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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.