Home / 86,864.07-130,126.41-59,841.64

Finding the Fourth Proportional to 86,864.07, 130,126.41 and 59,841.64

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Solution

The fourth proportional to 86,864.07, 130,126.41 and 59,841.64 is: 89,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,864.07 : 130,126.41 = 59,841.64 : x
  2. Step 2: Convert to fraction form
    86,864.07/130,126.41 = 59,841.64/x
  3. Step 3: Cross multiply
    86,864.07x = 130,126.41 × 59,841.64
  4. Step 4: Simplify right side
    86,864.07x = 7,786,977,781.71
  5. Step 5: Solve for x
    x = 7,786,977,781.71/86,864.07
  6. Step 6: Final answer
    x = 89,645.56

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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.