Home / 83,038.10-124,557.15-49,795.70

Finding the Fourth Proportional to 83,038.10, 124,557.15 and 49,795.70

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Solution

The fourth proportional to 83,038.10, 124,557.15 and 49,795.70 is: 74,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,038.10 : 124,557.15 = 49,795.70 : x
  2. Step 2: Convert to fraction form
    83,038.10/124,557.15 = 49,795.70/x
  3. Step 3: Cross multiply
    83,038.10x = 124,557.15 × 49,795.70
  4. Step 4: Simplify right side
    83,038.10x = 6,202,410,474.26
  5. Step 5: Solve for x
    x = 6,202,410,474.26/83,038.10
  6. Step 6: Final answer
    x = 74,693.55

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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.