Home / 83,215.10-124,737.60-41,030.30

Finding the Fourth Proportional to 83,215.10, 124,737.60 and 41,030.30

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Solution

The fourth proportional to 83,215.10, 124,737.60 and 41,030.30 is: 61,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,215.10 : 124,737.60 = 41,030.30 : x
  2. Step 2: Convert to fraction form
    83,215.10/124,737.60 = 41,030.30/x
  3. Step 3: Cross multiply
    83,215.10x = 124,737.60 × 41,030.30
  4. Step 4: Simplify right side
    83,215.10x = 5,118,021,149.28
  5. Step 5: Solve for x
    x = 5,118,021,149.28/83,215.10
  6. Step 6: Final answer
    x = 61,503.51

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1.5x scale

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.