Home / 91,417.28-137,203.52-36,052.16

Finding the Fourth Proportional to 91,417.28, 137,203.52 and 36,052.16

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Solution

The fourth proportional to 91,417.28, 137,203.52 and 36,052.16 is: 54,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,417.28 : 137,203.52 = 36,052.16 : x
  2. Step 2: Convert to fraction form
    91,417.28/137,203.52 = 36,052.16/x
  3. Step 3: Cross multiply
    91,417.28x = 137,203.52 × 36,052.16
  4. Step 4: Simplify right side
    91,417.28x = 4,946,483,255.60
  5. Step 5: Solve for x
    x = 4,946,483,255.60/91,417.28
  6. Step 6: Final answer
    x = 54,108.84

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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.