Home / 74,301.40-111,452.10-70,845.40

Finding the Fourth Proportional to 74,301.40, 111,452.10 and 70,845.40

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Solution

The fourth proportional to 74,301.40, 111,452.10 and 70,845.40 is: 106,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,301.40 : 111,452.10 = 70,845.40 : x
  2. Step 2: Convert to fraction form
    74,301.40/111,452.10 = 70,845.40/x
  3. Step 3: Cross multiply
    74,301.40x = 111,452.10 × 70,845.40
  4. Step 4: Simplify right side
    74,301.40x = 7,895,868,605.34
  5. Step 5: Solve for x
    x = 7,895,868,605.34/74,301.40
  6. Step 6: Final answer
    x = 106,268.10

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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.