Home / 89,982.72-124,176.16-52,259.40

Finding the Fourth Proportional to 89,982.72, 124,176.16 and 52,259.40

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Solution

The fourth proportional to 89,982.72, 124,176.16 and 52,259.40 is: 72,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.72 : 124,176.16 = 52,259.40 : x
  2. Step 2: Convert to fraction form
    89,982.72/124,176.16 = 52,259.40/x
  3. Step 3: Cross multiply
    89,982.72x = 124,176.16 × 52,259.40
  4. Step 4: Simplify right side
    89,982.72x = 6,489,371,615.90
  5. Step 5: Solve for x
    x = 6,489,371,615.90/89,982.72
  6. Step 6: Final answer
    x = 72,117.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.