Home / 91,323.23-125,944.45-57,334.88

Finding the Fourth Proportional to 91,323.23, 125,944.45 and 57,334.88

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Solution

The fourth proportional to 91,323.23, 125,944.45 and 57,334.88 is: 79,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,323.23 : 125,944.45 = 57,334.88 : x
  2. Step 2: Convert to fraction form
    91,323.23/125,944.45 = 57,334.88/x
  3. Step 3: Cross multiply
    91,323.23x = 125,944.45 × 57,334.88
  4. Step 4: Simplify right side
    91,323.23x = 7,221,010,098.94
  5. Step 5: Solve for x
    x = 7,221,010,098.94/91,323.23
  6. Step 6: Final answer
    x = 79,070.91

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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.