Home / 58,766.48-88,129.05-21,320.18

Finding the Fourth Proportional to 58,766.48, 88,129.05 and 21,320.18

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Solution

The fourth proportional to 58,766.48, 88,129.05 and 21,320.18 is: 31,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,766.48 : 88,129.05 = 21,320.18 : x
  2. Step 2: Convert to fraction form
    58,766.48/88,129.05 = 21,320.18/x
  3. Step 3: Cross multiply
    58,766.48x = 88,129.05 × 21,320.18
  4. Step 4: Simplify right side
    58,766.48x = 1,878,926,768.58
  5. Step 5: Solve for x
    x = 1,878,926,768.58/58,766.48
  6. Step 6: Final answer
    x = 31,972.77

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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.