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Finding the Fourth Proportional to 79,432.60, 109,688.19 and 59,254.45

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Solution

The fourth proportional to 79,432.60, 109,688.19 and 59,254.45 is: 81,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,432.60 : 109,688.19 = 59,254.45 : x
  2. Step 2: Convert to fraction form
    79,432.60/109,688.19 = 59,254.45/x
  3. Step 3: Cross multiply
    79,432.60x = 109,688.19 × 59,254.45
  4. Step 4: Simplify right side
    79,432.60x = 6,499,513,111.10
  5. Step 5: Solve for x
    x = 6,499,513,111.10/79,432.60
  6. Step 6: Final answer
    x = 81,824.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.