Home / 88,206.68-121,723.08-47,920.52

Finding the Fourth Proportional to 88,206.68, 121,723.08 and 47,920.52

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Solution

The fourth proportional to 88,206.68, 121,723.08 and 47,920.52 is: 66,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,206.68 : 121,723.08 = 47,920.52 : x
  2. Step 2: Convert to fraction form
    88,206.68/121,723.08 = 47,920.52/x
  3. Step 3: Cross multiply
    88,206.68x = 121,723.08 × 47,920.52
  4. Step 4: Simplify right side
    88,206.68x = 5,833,033,289.60
  5. Step 5: Solve for x
    x = 5,833,033,289.60/88,206.68
  6. Step 6: Final answer
    x = 66,129.16

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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.