Home / 60,986.10-91,479.15-34,742.10

Finding the Fourth Proportional to 60,986.10, 91,479.15 and 34,742.10

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Solution

The fourth proportional to 60,986.10, 91,479.15 and 34,742.10 is: 52,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,986.10 : 91,479.15 = 34,742.10 : x
  2. Step 2: Convert to fraction form
    60,986.10/91,479.15 = 34,742.10/x
  3. Step 3: Cross multiply
    60,986.10x = 91,479.15 × 34,742.10
  4. Step 4: Simplify right side
    60,986.10x = 3,178,177,777.22
  5. Step 5: Solve for x
    x = 3,178,177,777.22/60,986.10
  6. Step 6: Final answer
    x = 52,113.15

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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.