Home / 89,893.35-124,000.45-57,616.47

Finding the Fourth Proportional to 89,893.35, 124,000.45 and 57,616.47

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Solution

The fourth proportional to 89,893.35, 124,000.45 and 57,616.47 is: 79,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,893.35 : 124,000.45 = 57,616.47 : x
  2. Step 2: Convert to fraction form
    89,893.35/124,000.45 = 57,616.47/x
  3. Step 3: Cross multiply
    89,893.35x = 124,000.45 × 57,616.47
  4. Step 4: Simplify right side
    89,893.35x = 7,144,468,207.41
  5. Step 5: Solve for x
    x = 7,144,468,207.41/89,893.35
  6. Step 6: Final answer
    x = 79,477.16

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1.5x scale

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.