Home / 91,621.32-137,430.04-25,061.46

Finding the Fourth Proportional to 91,621.32, 137,430.04 and 25,061.46

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Solution

The fourth proportional to 91,621.32, 137,430.04 and 25,061.46 is: 37,591.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,621.32 : 137,430.04 = 25,061.46 : x
  2. Step 2: Convert to fraction form
    91,621.32/137,430.04 = 25,061.46/x
  3. Step 3: Cross multiply
    91,621.32x = 137,430.04 × 25,061.46
  4. Step 4: Simplify right side
    91,621.32x = 3,444,197,450.26
  5. Step 5: Solve for x
    x = 3,444,197,450.26/91,621.32
  6. Step 6: Final answer
    x = 37,591.66

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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.