Home / 84,959.98-127,431.72-25,796.16

Finding the Fourth Proportional to 84,959.98, 127,431.72 and 25,796.16

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Solution

The fourth proportional to 84,959.98, 127,431.72 and 25,796.16 is: 38,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,959.98 : 127,431.72 = 25,796.16 : x
  2. Step 2: Convert to fraction form
    84,959.98/127,431.72 = 25,796.16/x
  3. Step 3: Cross multiply
    84,959.98x = 127,431.72 × 25,796.16
  4. Step 4: Simplify right side
    84,959.98x = 3,287,249,038.20
  5. Step 5: Solve for x
    x = 3,287,249,038.20/84,959.98
  6. Step 6: Final answer
    x = 38,691.74

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1.5x scale

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.