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Finding the Fourth Proportional to 58,276.84, 87,459.92 and 45,096.52

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Solution

The fourth proportional to 58,276.84, 87,459.92 and 45,096.52 is: 67,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,276.84 : 87,459.92 = 45,096.52 : x
  2. Step 2: Convert to fraction form
    58,276.84/87,459.92 = 45,096.52/x
  3. Step 3: Cross multiply
    58,276.84x = 87,459.92 × 45,096.52
  4. Step 4: Simplify right side
    58,276.84x = 3,944,138,031.48
  5. Step 5: Solve for x
    x = 3,944,138,031.48/58,276.84
  6. Step 6: Final answer
    x = 67,679.34

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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.