Home / 72,512.74-99,881.13-51,255.46

Finding the Fourth Proportional to 72,512.74, 99,881.13 and 51,255.46

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Solution

The fourth proportional to 72,512.74, 99,881.13 and 51,255.46 is: 70,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,512.74 : 99,881.13 = 51,255.46 : x
  2. Step 2: Convert to fraction form
    72,512.74/99,881.13 = 51,255.46/x
  3. Step 3: Cross multiply
    72,512.74x = 99,881.13 × 51,255.46
  4. Step 4: Simplify right side
    72,512.74x = 5,119,453,263.47
  5. Step 5: Solve for x
    x = 5,119,453,263.47/72,512.74
  6. Step 6: Final answer
    x = 70,600.74

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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.