Home / 52,463.74-72,400.80-28,590.43

Finding the Fourth Proportional to 52,463.74, 72,400.80 and 28,590.43

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Solution

The fourth proportional to 52,463.74, 72,400.80 and 28,590.43 is: 39,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,463.74 : 72,400.80 = 28,590.43 : x
  2. Step 2: Convert to fraction form
    52,463.74/72,400.80 = 28,590.43/x
  3. Step 3: Cross multiply
    52,463.74x = 72,400.80 × 28,590.43
  4. Step 4: Simplify right side
    52,463.74x = 2,069,970,004.34
  5. Step 5: Solve for x
    x = 2,069,970,004.34/52,463.74
  6. Step 6: Final answer
    x = 39,455.25

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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.