Home / 89,893.11-124,000.10-57,616.23

Finding the Fourth Proportional to 89,893.11, 124,000.10 and 57,616.23

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Solution

The fourth proportional to 89,893.11, 124,000.10 and 57,616.23 is: 79,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,893.11 : 124,000.10 = 57,616.23 : x
  2. Step 2: Convert to fraction form
    89,893.11/124,000.10 = 57,616.23/x
  3. Step 3: Cross multiply
    89,893.11x = 124,000.10 × 57,616.23
  4. Step 4: Simplify right side
    89,893.11x = 7,144,417,993.54
  5. Step 5: Solve for x
    x = 7,144,417,993.54/89,893.11
  6. Step 6: Final answer
    x = 79,476.81

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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.