Home / 56,043.52-84,117.12-28,360.96

Finding the Fourth Proportional to 56,043.52, 84,117.12 and 28,360.96

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Solution

The fourth proportional to 56,043.52, 84,117.12 and 28,360.96 is: 42,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,043.52 : 84,117.12 = 28,360.96 : x
  2. Step 2: Convert to fraction form
    56,043.52/84,117.12 = 28,360.96/x
  3. Step 3: Cross multiply
    56,043.52x = 84,117.12 × 28,360.96
  4. Step 4: Simplify right side
    56,043.52x = 2,385,642,275.64
  5. Step 5: Solve for x
    x = 2,385,642,275.64/56,043.52
  6. Step 6: Final answer
    x = 42,567.67

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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.