Home / 72,512.06-100,044.20-42,275.98

Finding the Fourth Proportional to 72,512.06, 100,044.20 and 42,275.98

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Solution

The fourth proportional to 72,512.06, 100,044.20 and 42,275.98 is: 58,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,512.06 : 100,044.20 = 42,275.98 : x
  2. Step 2: Convert to fraction form
    72,512.06/100,044.20 = 42,275.98/x
  3. Step 3: Cross multiply
    72,512.06x = 100,044.20 × 42,275.98
  4. Step 4: Simplify right side
    72,512.06x = 4,229,466,598.32
  5. Step 5: Solve for x
    x = 4,229,466,598.32/72,512.06
  6. Step 6: Final answer
    x = 58,327.77

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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.