Home / 107,799.40-161,699.10-48,663.40

Finding the Fourth Proportional to 107,799.40, 161,699.10 and 48,663.40

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Solution

The fourth proportional to 107,799.40, 161,699.10 and 48,663.40 is: 72,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,799.40 : 161,699.10 = 48,663.40 : x
  2. Step 2: Convert to fraction form
    107,799.40/161,699.10 = 48,663.40/x
  3. Step 3: Cross multiply
    107,799.40x = 161,699.10 × 48,663.40
  4. Step 4: Simplify right side
    107,799.40x = 7,868,827,982.94
  5. Step 5: Solve for x
    x = 7,868,827,982.94/107,799.40
  6. Step 6: Final answer
    x = 72,995.10

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1.5x scale

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.