Home / 80,437.60-120,598.80-33,666.40

Finding the Fourth Proportional to 80,437.60, 120,598.80 and 33,666.40

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Solution

The fourth proportional to 80,437.60, 120,598.80 and 33,666.40 is: 50,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,437.60 : 120,598.80 = 33,666.40 : x
  2. Step 2: Convert to fraction form
    80,437.60/120,598.80 = 33,666.40/x
  3. Step 3: Cross multiply
    80,437.60x = 120,598.80 × 33,666.40
  4. Step 4: Simplify right side
    80,437.60x = 4,060,127,440.32
  5. Step 5: Solve for x
    x = 4,060,127,440.32/80,437.60
  6. Step 6: Final answer
    x = 50,475.49

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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.