Home / 52,585.80-72,565.70-28,707.86

Finding the Fourth Proportional to 52,585.80, 72,565.70 and 28,707.86

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Solution

The fourth proportional to 52,585.80, 72,565.70 and 28,707.86 is: 39,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,585.80 : 72,565.70 = 28,707.86 : x
  2. Step 2: Convert to fraction form
    52,585.80/72,565.70 = 28,707.86/x
  3. Step 3: Cross multiply
    52,585.80x = 72,565.70 × 28,707.86
  4. Step 4: Simplify right side
    52,585.80x = 2,083,205,994.28
  5. Step 5: Solve for x
    x = 2,083,205,994.28/52,585.80
  6. Step 6: Final answer
    x = 39,615.37

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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.