Home / 121,589.12-182,258.98-46,689.10

Finding the Fourth Proportional to 121,589.12, 182,258.98 and 46,689.10

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Solution

The fourth proportional to 121,589.12, 182,258.98 and 46,689.10 is: 69,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,589.12 : 182,258.98 = 46,689.10 : x
  2. Step 2: Convert to fraction form
    121,589.12/182,258.98 = 46,689.10/x
  3. Step 3: Cross multiply
    121,589.12x = 182,258.98 × 46,689.10
  4. Step 4: Simplify right side
    121,589.12x = 8,509,507,170.75
  5. Step 5: Solve for x
    x = 8,509,507,170.75/121,589.12
  6. Step 6: Final answer
    x = 69,985.76

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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.