Home / 74,638.56-111,925.20-39,570.24

Finding the Fourth Proportional to 74,638.56, 111,925.20 and 39,570.24

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Solution

The fourth proportional to 74,638.56, 111,925.20 and 39,570.24 is: 59,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,638.56 : 111,925.20 = 39,570.24 : x
  2. Step 2: Convert to fraction form
    74,638.56/111,925.20 = 39,570.24/x
  3. Step 3: Cross multiply
    74,638.56x = 111,925.20 × 39,570.24
  4. Step 4: Simplify right side
    74,638.56x = 4,428,907,026.05
  5. Step 5: Solve for x
    x = 4,428,907,026.05/74,638.56
  6. Step 6: Final answer
    x = 59,338.06

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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.