Home / 77,267.40-115,901.10-59,749.80

Finding the Fourth Proportional to 77,267.40, 115,901.10 and 59,749.80

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Solution

The fourth proportional to 77,267.40, 115,901.10 and 59,749.80 is: 89,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,267.40 : 115,901.10 = 59,749.80 : x
  2. Step 2: Convert to fraction form
    77,267.40/115,901.10 = 59,749.80/x
  3. Step 3: Cross multiply
    77,267.40x = 115,901.10 × 59,749.80
  4. Step 4: Simplify right side
    77,267.40x = 6,925,067,544.78
  5. Step 5: Solve for x
    x = 6,925,067,544.78/77,267.40
  6. Step 6: Final answer
    x = 89,624.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.