Home / 72,770.42-109,117.06-44,703.32

Finding the Fourth Proportional to 72,770.42, 109,117.06 and 44,703.32

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Solution

The fourth proportional to 72,770.42, 109,117.06 and 44,703.32 is: 67,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,770.42 : 109,117.06 = 44,703.32 : x
  2. Step 2: Convert to fraction form
    72,770.42/109,117.06 = 44,703.32/x
  3. Step 3: Cross multiply
    72,770.42x = 109,117.06 × 44,703.32
  4. Step 4: Simplify right side
    72,770.42x = 4,877,894,193.30
  5. Step 5: Solve for x
    x = 4,877,894,193.30/72,770.42
  6. Step 6: Final answer
    x = 67,031.27

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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.