Home / 86,686.38-130,045.71-27,506.10

Finding the Fourth Proportional to 86,686.38, 130,045.71 and 27,506.10

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Solution

The fourth proportional to 86,686.38, 130,045.71 and 27,506.10 is: 41,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,686.38 : 130,045.71 = 27,506.10 : x
  2. Step 2: Convert to fraction form
    86,686.38/130,045.71 = 27,506.10/x
  3. Step 3: Cross multiply
    86,686.38x = 130,045.71 × 27,506.10
  4. Step 4: Simplify right side
    86,686.38x = 3,577,050,303.83
  5. Step 5: Solve for x
    x = 3,577,050,303.83/86,686.38
  6. Step 6: Final answer
    x = 41,264.27

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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.