Home / 99,065.39-136,677.93-56,040.71

Finding the Fourth Proportional to 99,065.39, 136,677.93 and 56,040.71

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Solution

The fourth proportional to 99,065.39, 136,677.93 and 56,040.71 is: 77,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,065.39 : 136,677.93 = 56,040.71 : x
  2. Step 2: Convert to fraction form
    99,065.39/136,677.93 = 56,040.71/x
  3. Step 3: Cross multiply
    99,065.39x = 136,677.93 × 56,040.71
  4. Step 4: Simplify right side
    99,065.39x = 7,659,527,555.14
  5. Step 5: Solve for x
    x = 7,659,527,555.14/99,065.39
  6. Step 6: Final answer
    x = 77,317.90

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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.