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Finding the Fourth Proportional to 63,011.60, 94,658.20 and 52,643.60

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Solution

The fourth proportional to 63,011.60, 94,658.20 and 52,643.60 is: 79,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,011.60 : 94,658.20 = 52,643.60 : x
  2. Step 2: Convert to fraction form
    63,011.60/94,658.20 = 52,643.60/x
  3. Step 3: Cross multiply
    63,011.60x = 94,658.20 × 52,643.60
  4. Step 4: Simplify right side
    63,011.60x = 4,983,148,417.52
  5. Step 5: Solve for x
    x = 4,983,148,417.52/63,011.60
  6. Step 6: Final answer
    x = 79,083.03

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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.