Home / 88,342.08-121,901.04-59,724.02

Finding the Fourth Proportional to 88,342.08, 121,901.04 and 59,724.02

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Solution

The fourth proportional to 88,342.08, 121,901.04 and 59,724.02 is: 82,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,342.08 : 121,901.04 = 59,724.02 : x
  2. Step 2: Convert to fraction form
    88,342.08/121,901.04 = 59,724.02/x
  3. Step 3: Cross multiply
    88,342.08x = 121,901.04 × 59,724.02
  4. Step 4: Simplify right side
    88,342.08x = 7,280,419,541.48
  5. Step 5: Solve for x
    x = 7,280,419,541.48/88,342.08
  6. Step 6: Final answer
    x = 82,411.68

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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.