Home / 90,772.07-125,257.98-52,534.40

Finding the Fourth Proportional to 90,772.07, 125,257.98 and 52,534.40

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Solution

The fourth proportional to 90,772.07, 125,257.98 and 52,534.40 is: 72,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,772.07 : 125,257.98 = 52,534.40 : x
  2. Step 2: Convert to fraction form
    90,772.07/125,257.98 = 52,534.40/x
  3. Step 3: Cross multiply
    90,772.07x = 125,257.98 × 52,534.40
  4. Step 4: Simplify right side
    90,772.07x = 6,580,352,198.22
  5. Step 5: Solve for x
    x = 6,580,352,198.22/90,772.07
  6. Step 6: Final answer
    x = 72,493.14

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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.