Home / 56,092.16-84,126.36-21,034.40

Finding the Fourth Proportional to 56,092.16, 84,126.36 and 21,034.40

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Solution

The fourth proportional to 56,092.16, 84,126.36 and 21,034.40 is: 31,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,092.16 : 84,126.36 = 21,034.40 : x
  2. Step 2: Convert to fraction form
    56,092.16/84,126.36 = 21,034.40/x
  3. Step 3: Cross multiply
    56,092.16x = 84,126.36 × 21,034.40
  4. Step 4: Simplify right side
    56,092.16x = 1,769,547,506.78
  5. Step 5: Solve for x
    x = 1,769,547,506.78/56,092.16
  6. Step 6: Final answer
    x = 31,547.15

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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.