Home / 88,267.07-121,808.79-47,980.78

Finding the Fourth Proportional to 88,267.07, 121,808.79 and 47,980.78

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Solution

The fourth proportional to 88,267.07, 121,808.79 and 47,980.78 is: 66,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,267.07 : 121,808.79 = 47,980.78 : x
  2. Step 2: Convert to fraction form
    88,267.07/121,808.79 = 47,980.78/x
  3. Step 3: Cross multiply
    88,267.07x = 121,808.79 × 47,980.78
  4. Step 4: Simplify right side
    88,267.07x = 5,844,480,450.53
  5. Step 5: Solve for x
    x = 5,844,480,450.53/88,267.07
  6. Step 6: Final answer
    x = 66,213.60

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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.