Home / 91,475.06-137,237.22-47,077.62

Finding the Fourth Proportional to 91,475.06, 137,237.22 and 47,077.62

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Solution

The fourth proportional to 91,475.06, 137,237.22 and 47,077.62 is: 70,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,475.06 : 137,237.22 = 47,077.62 : x
  2. Step 2: Convert to fraction form
    91,475.06/137,237.22 = 47,077.62/x
  3. Step 3: Cross multiply
    91,475.06x = 137,237.22 × 47,077.62
  4. Step 4: Simplify right side
    91,475.06x = 6,460,801,693.02
  5. Step 5: Solve for x
    x = 6,460,801,693.02/91,475.06
  6. Step 6: Final answer
    x = 70,629.11

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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.