Home / 52,612.48-72,605.84-28,739.36

Finding the Fourth Proportional to 52,612.48, 72,605.84 and 28,739.36

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Solution

The fourth proportional to 52,612.48, 72,605.84 and 28,739.36 is: 39,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,612.48 : 72,605.84 = 28,739.36 : x
  2. Step 2: Convert to fraction form
    52,612.48/72,605.84 = 28,739.36/x
  3. Step 3: Cross multiply
    52,612.48x = 72,605.84 × 28,739.36
  4. Step 4: Simplify right side
    52,612.48x = 2,086,645,373.86
  5. Step 5: Solve for x
    x = 2,086,645,373.86/52,612.48
  6. Step 6: Final answer
    x = 39,660.65

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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.