Home / 80,526.60-120,752.37-29,890.35

Finding the Fourth Proportional to 80,526.60, 120,752.37 and 29,890.35

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Solution

The fourth proportional to 80,526.60, 120,752.37 and 29,890.35 is: 44,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,526.60 : 120,752.37 = 29,890.35 : x
  2. Step 2: Convert to fraction form
    80,526.60/120,752.37 = 29,890.35/x
  3. Step 3: Cross multiply
    80,526.60x = 120,752.37 × 29,890.35
  4. Step 4: Simplify right side
    80,526.60x = 3,609,330,602.63
  5. Step 5: Solve for x
    x = 3,609,330,602.63/80,526.60
  6. Step 6: Final answer
    x = 44,821.59

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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.