Home / 83,406.06-115,099.07-47,595.15

Finding the Fourth Proportional to 83,406.06, 115,099.07 and 47,595.15

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Solution

The fourth proportional to 83,406.06, 115,099.07 and 47,595.15 is: 65,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,406.06 : 115,099.07 = 47,595.15 : x
  2. Step 2: Convert to fraction form
    83,406.06/115,099.07 = 47,595.15/x
  3. Step 3: Cross multiply
    83,406.06x = 115,099.07 × 47,595.15
  4. Step 4: Simplify right side
    83,406.06x = 5,478,157,263.53
  5. Step 5: Solve for x
    x = 5,478,157,263.53/83,406.06
  6. Step 6: Final answer
    x = 65,680.57

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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.