Home / 98,320.47-135,692.66-60,102.39

Finding the Fourth Proportional to 98,320.47, 135,692.66 and 60,102.39

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Solution

The fourth proportional to 98,320.47, 135,692.66 and 60,102.39 is: 82,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,320.47 : 135,692.66 = 60,102.39 : x
  2. Step 2: Convert to fraction form
    98,320.47/135,692.66 = 60,102.39/x
  3. Step 3: Cross multiply
    98,320.47x = 135,692.66 × 60,102.39
  4. Step 4: Simplify right side
    98,320.47x = 8,155,452,870.95
  5. Step 5: Solve for x
    x = 8,155,452,870.95/98,320.47
  6. Step 6: Final answer
    x = 82,947.66

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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.