Home / 74,585.38-102,928.96-40,595.21

Finding the Fourth Proportional to 74,585.38, 102,928.96 and 40,595.21

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Solution

The fourth proportional to 74,585.38, 102,928.96 and 40,595.21 is: 56,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,585.38 : 102,928.96 = 40,595.21 : x
  2. Step 2: Convert to fraction form
    74,585.38/102,928.96 = 40,595.21/x
  3. Step 3: Cross multiply
    74,585.38x = 102,928.96 × 40,595.21
  4. Step 4: Simplify right side
    74,585.38x = 4,178,422,746.28
  5. Step 5: Solve for x
    x = 4,178,422,746.28/74,585.38
  6. Step 6: Final answer
    x = 56,022.01

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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.