Home / 47,865.40-71,929.86-25,695.16

Finding the Fourth Proportional to 47,865.40, 71,929.86 and 25,695.16

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Solution

The fourth proportional to 47,865.40, 71,929.86 and 25,695.16 is: 38,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,865.40 : 71,929.86 = 25,695.16 : x
  2. Step 2: Convert to fraction form
    47,865.40/71,929.86 = 25,695.16/x
  3. Step 3: Cross multiply
    47,865.40x = 71,929.86 × 25,695.16
  4. Step 4: Simplify right side
    47,865.40x = 1,848,249,261.48
  5. Step 5: Solve for x
    x = 1,848,249,261.48/47,865.40
  6. Step 6: Final answer
    x = 38,613.47

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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.