Home / 75,290.16-112,945.64-25,384.52

Finding the Fourth Proportional to 75,290.16, 112,945.64 and 25,384.52

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Solution

The fourth proportional to 75,290.16, 112,945.64 and 25,384.52 is: 38,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,290.16 : 112,945.64 = 25,384.52 : x
  2. Step 2: Convert to fraction form
    75,290.16/112,945.64 = 25,384.52/x
  3. Step 3: Cross multiply
    75,290.16x = 112,945.64 × 25,384.52
  4. Step 4: Simplify right side
    75,290.16x = 2,867,071,155.72
  5. Step 5: Solve for x
    x = 2,867,071,155.72/75,290.16
  6. Step 6: Final answer
    x = 38,080.29

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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.