Home / 86,864.56-130,315.98-49,442.26

Finding the Fourth Proportional to 86,864.56, 130,315.98 and 49,442.26

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Solution

The fourth proportional to 86,864.56, 130,315.98 and 49,442.26 is: 74,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,864.56 : 130,315.98 = 49,442.26 : x
  2. Step 2: Convert to fraction form
    86,864.56/130,315.98 = 49,442.26/x
  3. Step 3: Cross multiply
    86,864.56x = 130,315.98 × 49,442.26
  4. Step 4: Simplify right side
    86,864.56x = 6,443,116,565.31
  5. Step 5: Solve for x
    x = 6,443,116,565.31/86,864.56
  6. Step 6: Final answer
    x = 74,174.28

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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.