Home / 77,551.15-107,087.12-75,043.39

Finding the Fourth Proportional to 77,551.15, 107,087.12 and 75,043.39

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Solution

The fourth proportional to 77,551.15, 107,087.12 and 75,043.39 is: 103,624.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,551.15 : 107,087.12 = 75,043.39 : x
  2. Step 2: Convert to fraction form
    77,551.15/107,087.12 = 75,043.39/x
  3. Step 3: Cross multiply
    77,551.15x = 107,087.12 × 75,043.39
  4. Step 4: Simplify right side
    77,551.15x = 8,036,180,510.14
  5. Step 5: Solve for x
    x = 8,036,180,510.14/77,551.15
  6. Step 6: Final answer
    x = 103,624.26

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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.