Home / 61,763.19-85,189.37-52,290.65

Finding the Fourth Proportional to 61,763.19, 85,189.37 and 52,290.65

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Solution

The fourth proportional to 61,763.19, 85,189.37 and 52,290.65 is: 72,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,763.19 : 85,189.37 = 52,290.65 : x
  2. Step 2: Convert to fraction form
    61,763.19/85,189.37 = 52,290.65/x
  3. Step 3: Cross multiply
    61,763.19x = 85,189.37 × 52,290.65
  4. Step 4: Simplify right side
    61,763.19x = 4,454,606,842.99
  5. Step 5: Solve for x
    x = 4,454,606,842.99/61,763.19
  6. Step 6: Final answer
    x = 72,123.98

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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.