Home / 56,750.40-78,312.55-32,550.12

Finding the Fourth Proportional to 56,750.40, 78,312.55 and 32,550.12

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Solution

The fourth proportional to 56,750.40, 78,312.55 and 32,550.12 is: 44,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,750.40 : 78,312.55 = 32,550.12 : x
  2. Step 2: Convert to fraction form
    56,750.40/78,312.55 = 32,550.12/x
  3. Step 3: Cross multiply
    56,750.40x = 78,312.55 × 32,550.12
  4. Step 4: Simplify right side
    56,750.40x = 2,549,082,900.01
  5. Step 5: Solve for x
    x = 2,549,082,900.01/56,750.40
  6. Step 6: Final answer
    x = 44,917.44

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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.