Home / 88,306.34-121,860.21-50,069.55

Finding the Fourth Proportional to 88,306.34, 121,860.21 and 50,069.55

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Solution

The fourth proportional to 88,306.34, 121,860.21 and 50,069.55 is: 69,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,306.34 : 121,860.21 = 50,069.55 : x
  2. Step 2: Convert to fraction form
    88,306.34/121,860.21 = 50,069.55/x
  3. Step 3: Cross multiply
    88,306.34x = 121,860.21 × 50,069.55
  4. Step 4: Simplify right side
    88,306.34x = 6,101,485,877.61
  5. Step 5: Solve for x
    x = 6,101,485,877.61/88,306.34
  6. Step 6: Final answer
    x = 69,094.54

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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.