Home / 75,308.61-112,962.93-25,384.55

Finding the Fourth Proportional to 75,308.61, 112,962.93 and 25,384.55

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Solution

The fourth proportional to 75,308.61, 112,962.93 and 25,384.55 is: 38,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,308.61 : 112,962.93 = 25,384.55 : x
  2. Step 2: Convert to fraction form
    75,308.61/112,962.93 = 25,384.55/x
  3. Step 3: Cross multiply
    75,308.61x = 112,962.93 × 25,384.55
  4. Step 4: Simplify right side
    75,308.61x = 2,867,512,579.92
  5. Step 5: Solve for x
    x = 2,867,512,579.92/75,308.61
  6. Step 6: Final answer
    x = 38,076.82

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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.