Home / 77,616.24-116,482.32-57,671.88

Finding the Fourth Proportional to 77,616.24, 116,482.32 and 57,671.88

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Solution

The fourth proportional to 77,616.24, 116,482.32 and 57,671.88 is: 86,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,616.24 : 116,482.32 = 57,671.88 : x
  2. Step 2: Convert to fraction form
    77,616.24/116,482.32 = 57,671.88/x
  3. Step 3: Cross multiply
    77,616.24x = 116,482.32 × 57,671.88
  4. Step 4: Simplify right side
    77,616.24x = 6,717,754,381.16
  5. Step 5: Solve for x
    x = 6,717,754,381.16/77,616.24
  6. Step 6: Final answer
    x = 86,550.89

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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.