Home / 74,019.48-102,140.28-41,756.46

Finding the Fourth Proportional to 74,019.48, 102,140.28 and 41,756.46

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Solution

The fourth proportional to 74,019.48, 102,140.28 and 41,756.46 is: 57,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,019.48 : 102,140.28 = 41,756.46 : x
  2. Step 2: Convert to fraction form
    74,019.48/102,140.28 = 41,756.46/x
  3. Step 3: Cross multiply
    74,019.48x = 102,140.28 × 41,756.46
  4. Step 4: Simplify right side
    74,019.48x = 4,265,016,516.21
  5. Step 5: Solve for x
    x = 4,265,016,516.21/74,019.48
  6. Step 6: Final answer
    x = 57,620.19

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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.