Home / 89,535.32-123,555.36-49,248.68

Finding the Fourth Proportional to 89,535.32, 123,555.36 and 49,248.68

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Solution

The fourth proportional to 89,535.32, 123,555.36 and 49,248.68 is: 67,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,535.32 : 123,555.36 = 49,248.68 : x
  2. Step 2: Convert to fraction form
    89,535.32/123,555.36 = 49,248.68/x
  3. Step 3: Cross multiply
    89,535.32x = 123,555.36 × 49,248.68
  4. Step 4: Simplify right side
    89,535.32x = 6,084,938,386.92
  5. Step 5: Solve for x
    x = 6,084,938,386.92/89,535.32
  6. Step 6: Final answer
    x = 67,961.32

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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.