Home / 74,728.11-103,116.42-44,509.17

Finding the Fourth Proportional to 74,728.11, 103,116.42 and 44,509.17

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Solution

The fourth proportional to 74,728.11, 103,116.42 and 44,509.17 is: 61,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,728.11 : 103,116.42 = 44,509.17 : x
  2. Step 2: Convert to fraction form
    74,728.11/103,116.42 = 44,509.17/x
  3. Step 3: Cross multiply
    74,728.11x = 103,116.42 × 44,509.17
  4. Step 4: Simplify right side
    74,728.11x = 4,589,626,267.57
  5. Step 5: Solve for x
    x = 4,589,626,267.57/74,728.11
  6. Step 6: Final answer
    x = 61,417.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.