Home / 52,778.66-72,830.76-28,901.48

Finding the Fourth Proportional to 52,778.66, 72,830.76 and 28,901.48

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Solution

The fourth proportional to 52,778.66, 72,830.76 and 28,901.48 is: 39,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.66 : 72,830.76 = 28,901.48 : x
  2. Step 2: Convert to fraction form
    52,778.66/72,830.76 = 28,901.48/x
  3. Step 3: Cross multiply
    52,778.66x = 72,830.76 × 28,901.48
  4. Step 4: Simplify right side
    52,778.66x = 2,104,916,753.52
  5. Step 5: Solve for x
    x = 2,104,916,753.52/52,778.66
  6. Step 6: Final answer
    x = 39,881.97

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1.5x scale

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.