Home / 88,332.84-121,856.40-52,497.50

Finding the Fourth Proportional to 88,332.84, 121,856.40 and 52,497.50

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Solution

The fourth proportional to 88,332.84, 121,856.40 and 52,497.50 is: 72,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,332.84 : 121,856.40 = 52,497.50 : x
  2. Step 2: Convert to fraction form
    88,332.84/121,856.40 = 52,497.50/x
  3. Step 3: Cross multiply
    88,332.84x = 121,856.40 × 52,497.50
  4. Step 4: Simplify right side
    88,332.84x = 6,397,156,359
  5. Step 5: Solve for x
    x = 6,397,156,359/88,332.84
  6. Step 6: Final answer
    x = 72,421.04

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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.