Home / 86,726.28-130,098.12-23,547.36

Finding the Fourth Proportional to 86,726.28, 130,098.12 and 23,547.36

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Solution

The fourth proportional to 86,726.28, 130,098.12 and 23,547.36 is: 35,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,726.28 : 130,098.12 = 23,547.36 : x
  2. Step 2: Convert to fraction form
    86,726.28/130,098.12 = 23,547.36/x
  3. Step 3: Cross multiply
    86,726.28x = 130,098.12 × 23,547.36
  4. Step 4: Simplify right side
    86,726.28x = 3,063,467,266.96
  5. Step 5: Solve for x
    x = 3,063,467,266.96/86,726.28
  6. Step 6: Final answer
    x = 35,323.40

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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.