Home / 42,365.57-63,448.13-36,788.61

Finding the Fourth Proportional to 42,365.57, 63,448.13 and 36,788.61

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Solution

The fourth proportional to 42,365.57, 63,448.13 and 36,788.61 is: 55,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,365.57 : 63,448.13 = 36,788.61 : x
  2. Step 2: Convert to fraction form
    42,365.57/63,448.13 = 36,788.61/x
  3. Step 3: Cross multiply
    42,365.57x = 63,448.13 × 36,788.61
  4. Step 4: Simplify right side
    42,365.57x = 2,334,168,601.77
  5. Step 5: Solve for x
    x = 2,334,168,601.77/42,365.57
  6. Step 6: Final answer
    x = 55,095.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.