Home / 88,206.30-121,725.32-47,920.41

Finding the Fourth Proportional to 88,206.30, 121,725.32 and 47,920.41

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Solution

The fourth proportional to 88,206.30, 121,725.32 and 47,920.41 is: 66,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,206.30 : 121,725.32 = 47,920.41 : x
  2. Step 2: Convert to fraction form
    88,206.30/121,725.32 = 47,920.41/x
  3. Step 3: Cross multiply
    88,206.30x = 121,725.32 × 47,920.41
  4. Step 4: Simplify right side
    88,206.30x = 5,833,127,002.18
  5. Step 5: Solve for x
    x = 5,833,127,002.18/88,206.30
  6. Step 6: Final answer
    x = 66,130.50

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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.