Home / 74,109.42-111,084.48-32,009.40

Finding the Fourth Proportional to 74,109.42, 111,084.48 and 32,009.40

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Solution

The fourth proportional to 74,109.42, 111,084.48 and 32,009.40 is: 47,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,109.42 : 111,084.48 = 32,009.40 : x
  2. Step 2: Convert to fraction form
    74,109.42/111,084.48 = 32,009.40/x
  3. Step 3: Cross multiply
    74,109.42x = 111,084.48 × 32,009.40
  4. Step 4: Simplify right side
    74,109.42x = 3,555,747,554.11
  5. Step 5: Solve for x
    x = 3,555,747,554.11/74,109.42
  6. Step 6: Final answer
    x = 47,979.70

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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.