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Finding the Fourth Proportional to 86,773.76, 130,281.10 and 44,683.93

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Solution

The fourth proportional to 86,773.76, 130,281.10 and 44,683.93 is: 67,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,773.76 : 130,281.10 = 44,683.93 : x
  2. Step 2: Convert to fraction form
    86,773.76/130,281.10 = 44,683.93/x
  3. Step 3: Cross multiply
    86,773.76x = 130,281.10 × 44,683.93
  4. Step 4: Simplify right side
    86,773.76x = 5,821,470,677.90
  5. Step 5: Solve for x
    x = 5,821,470,677.90/86,773.76
  6. Step 6: Final answer
    x = 67,087.92

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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.