Home / 53,616.60-80,398.98-31,437.18

Finding the Fourth Proportional to 53,616.60, 80,398.98 and 31,437.18

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Solution

The fourth proportional to 53,616.60, 80,398.98 and 31,437.18 is: 47,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,616.60 : 80,398.98 = 31,437.18 : x
  2. Step 2: Convert to fraction form
    53,616.60/80,398.98 = 31,437.18/x
  3. Step 3: Cross multiply
    53,616.60x = 80,398.98 × 31,437.18
  4. Step 4: Simplify right side
    53,616.60x = 2,527,517,206.08
  5. Step 5: Solve for x
    x = 2,527,517,206.08/53,616.60
  6. Step 6: Final answer
    x = 47,140.57

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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.