Home / 53,032.74-79,585.29-28,071.78

Finding the Fourth Proportional to 53,032.74, 79,585.29 and 28,071.78

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Solution

The fourth proportional to 53,032.74, 79,585.29 and 28,071.78 is: 42,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,032.74 : 79,585.29 = 28,071.78 : x
  2. Step 2: Convert to fraction form
    53,032.74/79,585.29 = 28,071.78/x
  3. Step 3: Cross multiply
    53,032.74x = 79,585.29 × 28,071.78
  4. Step 4: Simplify right side
    53,032.74x = 2,234,100,752.12
  5. Step 5: Solve for x
    x = 2,234,100,752.12/53,032.74
  6. Step 6: Final answer
    x = 42,126.82

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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.