Home / 89,710.60-134,501.10-50,279.80

Finding the Fourth Proportional to 89,710.60, 134,501.10 and 50,279.80

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Solution

The fourth proportional to 89,710.60, 134,501.10 and 50,279.80 is: 75,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,710.60 : 134,501.10 = 50,279.80 : x
  2. Step 2: Convert to fraction form
    89,710.60/134,501.10 = 50,279.80/x
  3. Step 3: Cross multiply
    89,710.60x = 134,501.10 × 50,279.80
  4. Step 4: Simplify right side
    89,710.60x = 6,762,688,407.78
  5. Step 5: Solve for x
    x = 6,762,688,407.78/89,710.60
  6. Step 6: Final answer
    x = 75,383.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.