Home / 93,940.47-129,635.17-53,653.40

Finding the Fourth Proportional to 93,940.47, 129,635.17 and 53,653.40

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Solution

The fourth proportional to 93,940.47, 129,635.17 and 53,653.40 is: 74,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,940.47 : 129,635.17 = 53,653.40 : x
  2. Step 2: Convert to fraction form
    93,940.47/129,635.17 = 53,653.40/x
  3. Step 3: Cross multiply
    93,940.47x = 129,635.17 × 53,653.40
  4. Step 4: Simplify right side
    93,940.47x = 6,955,367,820.03
  5. Step 5: Solve for x
    x = 6,955,367,820.03/93,940.47
  6. Step 6: Final answer
    x = 74,040.16

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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.