Home / 55,488.43-76,574.36-30,337.93

Finding the Fourth Proportional to 55,488.43, 76,574.36 and 30,337.93

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Solution

The fourth proportional to 55,488.43, 76,574.36 and 30,337.93 is: 41,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488.43 : 76,574.36 = 30,337.93 : x
  2. Step 2: Convert to fraction form
    55,488.43/76,574.36 = 30,337.93/x
  3. Step 3: Cross multiply
    55,488.43x = 76,574.36 × 30,337.93
  4. Step 4: Simplify right side
    55,488.43x = 2,323,107,421.79
  5. Step 5: Solve for x
    x = 2,323,107,421.79/55,488.43
  6. Step 6: Final answer
    x = 41,866.52

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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.