Home / 82,813.32-124,224.12-23,657.76

Finding the Fourth Proportional to 82,813.32, 124,224.12 and 23,657.76

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Solution

The fourth proportional to 82,813.32, 124,224.12 and 23,657.76 is: 35,487.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,813.32 : 124,224.12 = 23,657.76 : x
  2. Step 2: Convert to fraction form
    82,813.32/124,224.12 = 23,657.76/x
  3. Step 3: Cross multiply
    82,813.32x = 124,224.12 × 23,657.76
  4. Step 4: Simplify right side
    82,813.32x = 2,938,864,417.17
  5. Step 5: Solve for x
    x = 2,938,864,417.17/82,813.32
  6. Step 6: Final answer
    x = 35,487.82

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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.