Home / 86,206.88-129,306.48-35,599.52

Finding the Fourth Proportional to 86,206.88, 129,306.48 and 35,599.52

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Solution

The fourth proportional to 86,206.88, 129,306.48 and 35,599.52 is: 53,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,206.88 : 129,306.48 = 35,599.52 : x
  2. Step 2: Convert to fraction form
    86,206.88/129,306.48 = 35,599.52/x
  3. Step 3: Cross multiply
    86,206.88x = 129,306.48 × 35,599.52
  4. Step 4: Simplify right side
    86,206.88x = 4,603,248,620.89
  5. Step 5: Solve for x
    x = 4,603,248,620.89/86,206.88
  6. Step 6: Final answer
    x = 53,397.69

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1.5x scale

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.