Home / 91,010.93-136,577.90-31,847.11

Finding the Fourth Proportional to 91,010.93, 136,577.90 and 31,847.11

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Solution

The fourth proportional to 91,010.93, 136,577.90 and 31,847.11 is: 47,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,010.93 : 136,577.90 = 31,847.11 : x
  2. Step 2: Convert to fraction form
    91,010.93/136,577.90 = 31,847.11/x
  3. Step 3: Cross multiply
    91,010.93x = 136,577.90 × 31,847.11
  4. Step 4: Simplify right side
    91,010.93x = 4,349,610,963.90
  5. Step 5: Solve for x
    x = 4,349,610,963.90/91,010.93
  6. Step 6: Final answer
    x = 47,792.18

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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.