Home / 72,747.10-109,088.84-36,701.38

Finding the Fourth Proportional to 72,747.10, 109,088.84 and 36,701.38

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Solution

The fourth proportional to 72,747.10, 109,088.84 and 36,701.38 is: 55,036.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,747.10 : 109,088.84 = 36,701.38 : x
  2. Step 2: Convert to fraction form
    72,747.10/109,088.84 = 36,701.38/x
  3. Step 3: Cross multiply
    72,747.10x = 109,088.84 × 36,701.38
  4. Step 4: Simplify right side
    72,747.10x = 4,003,710,484.88
  5. Step 5: Solve for x
    x = 4,003,710,484.88/72,747.10
  6. Step 6: Final answer
    x = 55,036.02

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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.