Home / 91,302.48-125,989.22-51,010.65

Finding the Fourth Proportional to 91,302.48, 125,989.22 and 51,010.65

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Solution

The fourth proportional to 91,302.48, 125,989.22 and 51,010.65 is: 70,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,302.48 : 125,989.22 = 51,010.65 : x
  2. Step 2: Convert to fraction form
    91,302.48/125,989.22 = 51,010.65/x
  3. Step 3: Cross multiply
    91,302.48x = 125,989.22 × 51,010.65
  4. Step 4: Simplify right side
    91,302.48x = 6,426,791,750.14
  5. Step 5: Solve for x
    x = 6,426,791,750.14/91,302.48
  6. Step 6: Final answer
    x = 70,390.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.