Home / 74,020.20-111,030.30-44,471.40

Finding the Fourth Proportional to 74,020.20, 111,030.30 and 44,471.40

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Solution

The fourth proportional to 74,020.20, 111,030.30 and 44,471.40 is: 66,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,020.20 : 111,030.30 = 44,471.40 : x
  2. Step 2: Convert to fraction form
    74,020.20/111,030.30 = 44,471.40/x
  3. Step 3: Cross multiply
    74,020.20x = 111,030.30 × 44,471.40
  4. Step 4: Simplify right side
    74,020.20x = 4,937,672,883.42
  5. Step 5: Solve for x
    x = 4,937,672,883.42/74,020.20
  6. Step 6: Final answer
    x = 66,707.10

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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.