Home / 74,180.13-111,284.14-29,810.40

Finding the Fourth Proportional to 74,180.13, 111,284.14 and 29,810.40

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Solution

The fourth proportional to 74,180.13, 111,284.14 and 29,810.40 is: 44,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,180.13 : 111,284.14 = 29,810.40 : x
  2. Step 2: Convert to fraction form
    74,180.13/111,284.14 = 29,810.40/x
  3. Step 3: Cross multiply
    74,180.13x = 111,284.14 × 29,810.40
  4. Step 4: Simplify right side
    74,180.13x = 3,317,424,727.06
  5. Step 5: Solve for x
    x = 3,317,424,727.06/74,180.13
  6. Step 6: Final answer
    x = 44,721.20

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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.