Home / 91,327.77-125,950.75-57,339.46

Finding the Fourth Proportional to 91,327.77, 125,950.75 and 57,339.46

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Solution

The fourth proportional to 91,327.77, 125,950.75 and 57,339.46 is: 79,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,327.77 : 125,950.75 = 57,339.46 : x
  2. Step 2: Convert to fraction form
    91,327.77/125,950.75 = 57,339.46/x
  3. Step 3: Cross multiply
    91,327.77x = 125,950.75 × 57,339.46
  4. Step 4: Simplify right side
    91,327.77x = 7,221,948,005.68
  5. Step 5: Solve for x
    x = 7,221,948,005.68/91,327.77
  6. Step 6: Final answer
    x = 79,077.24

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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.