Home / 58,126.67-87,159.66-20,681.28

Finding the Fourth Proportional to 58,126.67, 87,159.66 and 20,681.28

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Solution

The fourth proportional to 58,126.67, 87,159.66 and 20,681.28 is: 31,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,126.67 : 87,159.66 = 20,681.28 : x
  2. Step 2: Convert to fraction form
    58,126.67/87,159.66 = 20,681.28/x
  3. Step 3: Cross multiply
    58,126.67x = 87,159.66 × 20,681.28
  4. Step 4: Simplify right side
    58,126.67x = 1,802,573,333.16
  5. Step 5: Solve for x
    x = 1,802,573,333.16/58,126.67
  6. Step 6: Final answer
    x = 31,011.13

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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.