Home / 91,235.39-125,877.32-52,987.56

Finding the Fourth Proportional to 91,235.39, 125,877.32 and 52,987.56

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Solution

The fourth proportional to 91,235.39, 125,877.32 and 52,987.56 is: 73,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,235.39 : 125,877.32 = 52,987.56 : x
  2. Step 2: Convert to fraction form
    91,235.39/125,877.32 = 52,987.56/x
  3. Step 3: Cross multiply
    91,235.39x = 125,877.32 × 52,987.56
  4. Step 4: Simplify right side
    91,235.39x = 6,669,931,781.20
  5. Step 5: Solve for x
    x = 6,669,931,781.20/91,235.39
  6. Step 6: Final answer
    x = 73,106.85

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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.