Home / 56,579.11-78,070.50-32,701.18

Finding the Fourth Proportional to 56,579.11, 78,070.50 and 32,701.18

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Solution

The fourth proportional to 56,579.11, 78,070.50 and 32,701.18 is: 45,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,579.11 : 78,070.50 = 32,701.18 : x
  2. Step 2: Convert to fraction form
    56,579.11/78,070.50 = 32,701.18/x
  3. Step 3: Cross multiply
    56,579.11x = 78,070.50 × 32,701.18
  4. Step 4: Simplify right side
    56,579.11x = 2,552,997,473.19
  5. Step 5: Solve for x
    x = 2,552,997,473.19/56,579.11
  6. Step 6: Final answer
    x = 45,122.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.