Home / 91,256.32-125,932.40-50,970.66

Finding the Fourth Proportional to 91,256.32, 125,932.40 and 50,970.66

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Solution

The fourth proportional to 91,256.32, 125,932.40 and 50,970.66 is: 70,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,256.32 : 125,932.40 = 50,970.66 : x
  2. Step 2: Convert to fraction form
    91,256.32/125,932.40 = 50,970.66/x
  3. Step 3: Cross multiply
    91,256.32x = 125,932.40 × 50,970.66
  4. Step 4: Simplify right side
    91,256.32x = 6,418,857,543.38
  5. Step 5: Solve for x
    x = 6,418,857,543.38/91,256.32
  6. Step 6: Final answer
    x = 70,338.77

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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.