Home / 52,864.86-72,948.38-31,643.66

Finding the Fourth Proportional to 52,864.86, 72,948.38 and 31,643.66

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Solution

The fourth proportional to 52,864.86, 72,948.38 and 31,643.66 is: 43,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,864.86 : 72,948.38 = 31,643.66 : x
  2. Step 2: Convert to fraction form
    52,864.86/72,948.38 = 31,643.66/x
  3. Step 3: Cross multiply
    52,864.86x = 72,948.38 × 31,643.66
  4. Step 4: Simplify right side
    52,864.86x = 2,308,353,734.27
  5. Step 5: Solve for x
    x = 2,308,353,734.27/52,864.86
  6. Step 6: Final answer
    x = 43,665.18

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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.