Home / 77,099.40-115,562.70-32,718.60

Finding the Fourth Proportional to 77,099.40, 115,562.70 and 32,718.60

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Solution

The fourth proportional to 77,099.40, 115,562.70 and 32,718.60 is: 49,041.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,099.40 : 115,562.70 = 32,718.60 : x
  2. Step 2: Convert to fraction form
    77,099.40/115,562.70 = 32,718.60/x
  3. Step 3: Cross multiply
    77,099.40x = 115,562.70 × 32,718.60
  4. Step 4: Simplify right side
    77,099.40x = 3,781,049,756.22
  5. Step 5: Solve for x
    x = 3,781,049,756.22/77,099.40
  6. Step 6: Final answer
    x = 49,041.23

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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.