Home / 65,488.02-98,189.77-31,275.28

Finding the Fourth Proportional to 65,488.02, 98,189.77 and 31,275.28

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Solution

The fourth proportional to 65,488.02, 98,189.77 and 31,275.28 is: 46,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,488.02 : 98,189.77 = 31,275.28 : x
  2. Step 2: Convert to fraction form
    65,488.02/98,189.77 = 31,275.28/x
  3. Step 3: Cross multiply
    65,488.02x = 98,189.77 × 31,275.28
  4. Step 4: Simplify right side
    65,488.02x = 3,070,912,058.94
  5. Step 5: Solve for x
    x = 3,070,912,058.94/65,488.02
  6. Step 6: Final answer
    x = 46,892.73

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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.