Home / 102,264.12-153,284.40-49,555.80

Finding the Fourth Proportional to 102,264.12, 153,284.40 and 49,555.80

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Solution

The fourth proportional to 102,264.12, 153,284.40 and 49,555.80 is: 74,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,264.12 : 153,284.40 = 49,555.80 : x
  2. Step 2: Convert to fraction form
    102,264.12/153,284.40 = 49,555.80/x
  3. Step 3: Cross multiply
    102,264.12x = 153,284.40 × 49,555.80
  4. Step 4: Simplify right side
    102,264.12x = 7,596,131,069.52
  5. Step 5: Solve for x
    x = 7,596,131,069.52/102,264.12
  6. Step 6: Final answer
    x = 74,279.53

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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.