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Finding the Fourth Proportional to 58,975.60, 88,463.40 and 56,059.60

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Solution

The fourth proportional to 58,975.60, 88,463.40 and 56,059.60 is: 84,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,975.60 : 88,463.40 = 56,059.60 : x
  2. Step 2: Convert to fraction form
    58,975.60/88,463.40 = 56,059.60/x
  3. Step 3: Cross multiply
    58,975.60x = 88,463.40 × 56,059.60
  4. Step 4: Simplify right side
    58,975.60x = 4,959,222,818.64
  5. Step 5: Solve for x
    x = 4,959,222,818.64/58,975.60
  6. Step 6: Final answer
    x = 84,089.40

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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.