Home / 75,632.64-113,487.23-31,291.21

Finding the Fourth Proportional to 75,632.64, 113,487.23 and 31,291.21

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Solution

The fourth proportional to 75,632.64, 113,487.23 and 31,291.21 is: 46,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,632.64 : 113,487.23 = 31,291.21 : x
  2. Step 2: Convert to fraction form
    75,632.64/113,487.23 = 31,291.21/x
  3. Step 3: Cross multiply
    75,632.64x = 113,487.23 × 31,291.21
  4. Step 4: Simplify right side
    75,632.64x = 3,551,152,790.32
  5. Step 5: Solve for x
    x = 3,551,152,790.32/75,632.64
  6. Step 6: Final answer
    x = 46,952.65

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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.