Home / 61,210.06-91,618.25-31,587.55

Finding the Fourth Proportional to 61,210.06, 91,618.25 and 31,587.55

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Solution

The fourth proportional to 61,210.06, 91,618.25 and 31,587.55 is: 47,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,210.06 : 91,618.25 = 31,587.55 : x
  2. Step 2: Convert to fraction form
    61,210.06/91,618.25 = 31,587.55/x
  3. Step 3: Cross multiply
    61,210.06x = 91,618.25 × 31,587.55
  4. Step 4: Simplify right side
    61,210.06x = 2,893,996,052.79
  5. Step 5: Solve for x
    x = 2,893,996,052.79/61,210.06
  6. Step 6: Final answer
    x = 47,279.75

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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.