Home / 55,488.18-76,574.01-30,337.68

Finding the Fourth Proportional to 55,488.18, 76,574.01 and 30,337.68

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Solution

The fourth proportional to 55,488.18, 76,574.01 and 30,337.68 is: 41,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488.18 : 76,574.01 = 30,337.68 : x
  2. Step 2: Convert to fraction form
    55,488.18/76,574.01 = 30,337.68/x
  3. Step 3: Cross multiply
    55,488.18x = 76,574.01 × 30,337.68
  4. Step 4: Simplify right side
    55,488.18x = 2,323,077,811.70
  5. Step 5: Solve for x
    x = 2,323,077,811.70/55,488.18
  6. Step 6: Final answer
    x = 41,866.17

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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.