Home / 88,711.53-122,417.65-50,467.49

Finding the Fourth Proportional to 88,711.53, 122,417.65 and 50,467.49

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Solution

The fourth proportional to 88,711.53, 122,417.65 and 50,467.49 is: 69,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,711.53 : 122,417.65 = 50,467.49 : x
  2. Step 2: Convert to fraction form
    88,711.53/122,417.65 = 50,467.49/x
  3. Step 3: Cross multiply
    88,711.53x = 122,417.65 × 50,467.49
  4. Step 4: Simplify right side
    88,711.53x = 6,178,111,527.20
  5. Step 5: Solve for x
    x = 6,178,111,527.20/88,711.53
  6. Step 6: Final answer
    x = 69,642.71

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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.