Home / 82,547.64-123,822.18-26,387.28

Finding the Fourth Proportional to 82,547.64, 123,822.18 and 26,387.28

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Solution

The fourth proportional to 82,547.64, 123,822.18 and 26,387.28 is: 39,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,547.64 : 123,822.18 = 26,387.28 : x
  2. Step 2: Convert to fraction form
    82,547.64/123,822.18 = 26,387.28/x
  3. Step 3: Cross multiply
    82,547.64x = 123,822.18 × 26,387.28
  4. Step 4: Simplify right side
    82,547.64x = 3,267,330,533.87
  5. Step 5: Solve for x
    x = 3,267,330,533.87/82,547.64
  6. Step 6: Final answer
    x = 39,581.15

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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.