Home / 107,865.40-161,798.10-32,985.40

Finding the Fourth Proportional to 107,865.40, 161,798.10 and 32,985.40

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Solution

The fourth proportional to 107,865.40, 161,798.10 and 32,985.40 is: 49,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,865.40 : 161,798.10 = 32,985.40 : x
  2. Step 2: Convert to fraction form
    107,865.40/161,798.10 = 32,985.40/x
  3. Step 3: Cross multiply
    107,865.40x = 161,798.10 × 32,985.40
  4. Step 4: Simplify right side
    107,865.40x = 5,336,975,047.74
  5. Step 5: Solve for x
    x = 5,336,975,047.74/107,865.40
  6. Step 6: Final answer
    x = 49,478.10

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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.