Home / 75,271.90-112,867.75-25,335.40

Finding the Fourth Proportional to 75,271.90, 112,867.75 and 25,335.40

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Solution

The fourth proportional to 75,271.90, 112,867.75 and 25,335.40 is: 37,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271.90 : 112,867.75 = 25,335.40 : x
  2. Step 2: Convert to fraction form
    75,271.90/112,867.75 = 25,335.40/x
  3. Step 3: Cross multiply
    75,271.90x = 112,867.75 × 25,335.40
  4. Step 4: Simplify right side
    75,271.90x = 2,859,549,593.35
  5. Step 5: Solve for x
    x = 2,859,549,593.35/75,271.90
  6. Step 6: Final answer
    x = 37,989.60

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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.