Home / 51,302.30-70,798.28-28,332.05

Finding the Fourth Proportional to 51,302.30, 70,798.28 and 28,332.05

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Solution

The fourth proportional to 51,302.30, 70,798.28 and 28,332.05 is: 39,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,302.30 : 70,798.28 = 28,332.05 : x
  2. Step 2: Convert to fraction form
    51,302.30/70,798.28 = 28,332.05/x
  3. Step 3: Cross multiply
    51,302.30x = 70,798.28 × 28,332.05
  4. Step 4: Simplify right side
    51,302.30x = 2,005,859,913.22
  5. Step 5: Solve for x
    x = 2,005,859,913.22/51,302.30
  6. Step 6: Final answer
    x = 39,098.83

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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.