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Finding the Fourth Proportional to 63,041.60, 94,432.80 and 43,342.40

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Solution

The fourth proportional to 63,041.60, 94,432.80 and 43,342.40 is: 64,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,041.60 : 94,432.80 = 43,342.40 : x
  2. Step 2: Convert to fraction form
    63,041.60/94,432.80 = 43,342.40/x
  3. Step 3: Cross multiply
    63,041.60x = 94,432.80 × 43,342.40
  4. Step 4: Simplify right side
    63,041.60x = 4,092,944,190.72
  5. Step 5: Solve for x
    x = 4,092,944,190.72/63,041.60
  6. Step 6: Final answer
    x = 64,924.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.