Home / 88,007.04-121,423.68-50,279.04

Finding the Fourth Proportional to 88,007.04, 121,423.68 and 50,279.04

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Solution

The fourth proportional to 88,007.04, 121,423.68 and 50,279.04 is: 69,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,007.04 : 121,423.68 = 50,279.04 : x
  2. Step 2: Convert to fraction form
    88,007.04/121,423.68 = 50,279.04/x
  3. Step 3: Cross multiply
    88,007.04x = 121,423.68 × 50,279.04
  4. Step 4: Simplify right side
    88,007.04x = 6,105,066,063.67
  5. Step 5: Solve for x
    x = 6,105,066,063.67/88,007.04
  6. Step 6: Final answer
    x = 69,370.20

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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.