Home / 103,482.48-142,817.66-57,546.70

Finding the Fourth Proportional to 103,482.48, 142,817.66 and 57,546.70

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Solution

The fourth proportional to 103,482.48, 142,817.66 and 57,546.70 is: 79,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,482.48 : 142,817.66 = 57,546.70 : x
  2. Step 2: Convert to fraction form
    103,482.48/142,817.66 = 57,546.70/x
  3. Step 3: Cross multiply
    103,482.48x = 142,817.66 × 57,546.70
  4. Step 4: Simplify right side
    103,482.48x = 8,218,685,034.72
  5. Step 5: Solve for x
    x = 8,218,685,034.72/103,482.48
  6. Step 6: Final answer
    x = 79,421.03

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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.