Home / 91,437.53-126,172.17-53,209.44

Finding the Fourth Proportional to 91,437.53, 126,172.17 and 53,209.44

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Solution

The fourth proportional to 91,437.53, 126,172.17 and 53,209.44 is: 73,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,437.53 : 126,172.17 = 53,209.44 : x
  2. Step 2: Convert to fraction form
    91,437.53/126,172.17 = 53,209.44/x
  3. Step 3: Cross multiply
    91,437.53x = 126,172.17 × 53,209.44
  4. Step 4: Simplify right side
    91,437.53x = 6,713,550,509.28
  5. Step 5: Solve for x
    x = 6,713,550,509.28/91,437.53
  6. Step 6: Final answer
    x = 73,422.27

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1.5x scale

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.