Home / 79,264.75-118,901.30-20,100.93

Finding the Fourth Proportional to 79,264.75, 118,901.30 and 20,100.93

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Solution

The fourth proportional to 79,264.75, 118,901.30 and 20,100.93 is: 30,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,264.75 : 118,901.30 = 20,100.93 : x
  2. Step 2: Convert to fraction form
    79,264.75/118,901.30 = 20,100.93/x
  3. Step 3: Cross multiply
    79,264.75x = 118,901.30 × 20,100.93
  4. Step 4: Simplify right side
    79,264.75x = 2,390,026,758.46
  5. Step 5: Solve for x
    x = 2,390,026,758.46/79,264.75
  6. Step 6: Final answer
    x = 30,152.46

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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.