Home / 75,730.16-113,595.22-20,326.16

Finding the Fourth Proportional to 75,730.16, 113,595.22 and 20,326.16

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Solution

The fourth proportional to 75,730.16, 113,595.22 and 20,326.16 is: 30,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,730.16 : 113,595.22 = 20,326.16 : x
  2. Step 2: Convert to fraction form
    75,730.16/113,595.22 = 20,326.16/x
  3. Step 3: Cross multiply
    75,730.16x = 113,595.22 × 20,326.16
  4. Step 4: Simplify right side
    75,730.16x = 2,308,953,947.35
  5. Step 5: Solve for x
    x = 2,308,953,947.35/75,730.16
  6. Step 6: Final answer
    x = 30,489.23

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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.