Home / 88,554.96-122,191.80-49,785.12

Finding the Fourth Proportional to 88,554.96, 122,191.80 and 49,785.12

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Solution

The fourth proportional to 88,554.96, 122,191.80 and 49,785.12 is: 68,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,554.96 : 122,191.80 = 49,785.12 : x
  2. Step 2: Convert to fraction form
    88,554.96/122,191.80 = 49,785.12/x
  3. Step 3: Cross multiply
    88,554.96x = 122,191.80 × 49,785.12
  4. Step 4: Simplify right side
    88,554.96x = 6,083,333,426.02
  5. Step 5: Solve for x
    x = 6,083,333,426.02/88,554.96
  6. Step 6: Final answer
    x = 68,695.57

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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.