Home / 115,919.10-173,878.65-56,724.30

Finding the Fourth Proportional to 115,919.10, 173,878.65 and 56,724.30

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Solution

The fourth proportional to 115,919.10, 173,878.65 and 56,724.30 is: 85,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,919.10 : 173,878.65 = 56,724.30 : x
  2. Step 2: Convert to fraction form
    115,919.10/173,878.65 = 56,724.30/x
  3. Step 3: Cross multiply
    115,919.10x = 173,878.65 × 56,724.30
  4. Step 4: Simplify right side
    115,919.10x = 9,863,144,706.20
  5. Step 5: Solve for x
    x = 9,863,144,706.20/115,919.10
  6. Step 6: Final answer
    x = 85,086.45

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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.