Home / 93,935.25-129,639.61-53,655.03

Finding the Fourth Proportional to 93,935.25, 129,639.61 and 53,655.03

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Solution

The fourth proportional to 93,935.25, 129,639.61 and 53,655.03 is: 74,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,935.25 : 129,639.61 = 53,655.03 : x
  2. Step 2: Convert to fraction form
    93,935.25/129,639.61 = 53,655.03/x
  3. Step 3: Cross multiply
    93,935.25x = 129,639.61 × 53,655.03
  4. Step 4: Simplify right side
    93,935.25x = 6,955,817,163.74
  5. Step 5: Solve for x
    x = 6,955,817,163.74/93,935.25
  6. Step 6: Final answer
    x = 74,049.06

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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.