Home / 45,334.26-67,545.74-42,787.72

Finding the Fourth Proportional to 45,334.26, 67,545.74 and 42,787.72

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Solution

The fourth proportional to 45,334.26, 67,545.74 and 42,787.72 is: 63,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,334.26 : 67,545.74 = 42,787.72 : x
  2. Step 2: Convert to fraction form
    45,334.26/67,545.74 = 42,787.72/x
  3. Step 3: Cross multiply
    45,334.26x = 67,545.74 × 42,787.72
  4. Step 4: Simplify right side
    45,334.26x = 2,890,128,210.31
  5. Step 5: Solve for x
    x = 2,890,128,210.31/45,334.26
  6. Step 6: Final answer
    x = 63,751.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.