Home / 86,214.42-129,306.96-23,870.34

Finding the Fourth Proportional to 86,214.42, 129,306.96 and 23,870.34

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Solution

The fourth proportional to 86,214.42, 129,306.96 and 23,870.34 is: 35,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,214.42 : 129,306.96 = 23,870.34 : x
  2. Step 2: Convert to fraction form
    86,214.42/129,306.96 = 23,870.34/x
  3. Step 3: Cross multiply
    86,214.42x = 129,306.96 × 23,870.34
  4. Step 4: Simplify right side
    86,214.42x = 3,086,601,099.57
  5. Step 5: Solve for x
    x = 3,086,601,099.57/86,214.42
  6. Step 6: Final answer
    x = 35,801.45

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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.