Home / 45,422.17-62,628.96-31,088.90

Finding the Fourth Proportional to 45,422.17, 62,628.96 and 31,088.90

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Solution

The fourth proportional to 45,422.17, 62,628.96 and 31,088.90 is: 42,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,422.17 : 62,628.96 = 31,088.90 : x
  2. Step 2: Convert to fraction form
    45,422.17/62,628.96 = 31,088.90/x
  3. Step 3: Cross multiply
    45,422.17x = 62,628.96 × 31,088.90
  4. Step 4: Simplify right side
    45,422.17x = 1,947,065,747.70
  5. Step 5: Solve for x
    x = 1,947,065,747.70/45,422.17
  6. Step 6: Final answer
    x = 42,865.98

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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.