Home / 107,830.20-161,750.10-41,302.20

Finding the Fourth Proportional to 107,830.20, 161,750.10 and 41,302.20

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Solution

The fourth proportional to 107,830.20, 161,750.10 and 41,302.20 is: 61,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,830.20 : 161,750.10 = 41,302.20 : x
  2. Step 2: Convert to fraction form
    107,830.20/161,750.10 = 41,302.20/x
  3. Step 3: Cross multiply
    107,830.20x = 161,750.10 × 41,302.20
  4. Step 4: Simplify right side
    107,830.20x = 6,680,634,980.22
  5. Step 5: Solve for x
    x = 6,680,634,980.22/107,830.20
  6. Step 6: Final answer
    x = 61,955.14

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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.