Home / 85,323.30-127,812.15-48,344.10

Finding the Fourth Proportional to 85,323.30, 127,812.15 and 48,344.10

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Solution

The fourth proportional to 85,323.30, 127,812.15 and 48,344.10 is: 72,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,323.30 : 127,812.15 = 48,344.10 : x
  2. Step 2: Convert to fraction form
    85,323.30/127,812.15 = 48,344.10/x
  3. Step 3: Cross multiply
    85,323.30x = 127,812.15 × 48,344.10
  4. Step 4: Simplify right side
    85,323.30x = 6,178,963,360.82
  5. Step 5: Solve for x
    x = 6,178,963,360.82/85,323.30
  6. Step 6: Final answer
    x = 72,418.24

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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.