Home / 86,865.06-130,316.72-49,442.74

Finding the Fourth Proportional to 86,865.06, 130,316.72 and 49,442.74

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Solution

The fourth proportional to 86,865.06, 130,316.72 and 49,442.74 is: 74,175.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,865.06 : 130,316.72 = 49,442.74 : x
  2. Step 2: Convert to fraction form
    86,865.06/130,316.72 = 49,442.74/x
  3. Step 3: Cross multiply
    86,865.06x = 130,316.72 × 49,442.74
  4. Step 4: Simplify right side
    86,865.06x = 6,443,215,704.61
  5. Step 5: Solve for x
    x = 6,443,215,704.61/86,865.06
  6. Step 6: Final answer
    x = 74,175.00

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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.