Home / 92,031.72-127,003.14-52,287.72

Finding the Fourth Proportional to 92,031.72, 127,003.14 and 52,287.72

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Solution

The fourth proportional to 92,031.72, 127,003.14 and 52,287.72 is: 72,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,031.72 : 127,003.14 = 52,287.72 : x
  2. Step 2: Convert to fraction form
    92,031.72/127,003.14 = 52,287.72/x
  3. Step 3: Cross multiply
    92,031.72x = 127,003.14 × 52,287.72
  4. Step 4: Simplify right side
    92,031.72x = 6,640,704,623.44
  5. Step 5: Solve for x
    x = 6,640,704,623.44/92,031.72
  6. Step 6: Final answer
    x = 72,156.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.