Home / 88,065.20-121,548.52-56,228.56

Finding the Fourth Proportional to 88,065.20, 121,548.52 and 56,228.56

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Solution

The fourth proportional to 88,065.20, 121,548.52 and 56,228.56 is: 77,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,065.20 : 121,548.52 = 56,228.56 : x
  2. Step 2: Convert to fraction form
    88,065.20/121,548.52 = 56,228.56/x
  3. Step 3: Cross multiply
    88,065.20x = 121,548.52 × 56,228.56
  4. Step 4: Simplify right side
    88,065.20x = 6,834,498,249.73
  5. Step 5: Solve for x
    x = 6,834,498,249.73/88,065.20
  6. Step 6: Final answer
    x = 77,607.25

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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.