Home / 86,924.10-119,958.12-51,117.42

Finding the Fourth Proportional to 86,924.10, 119,958.12 and 51,117.42

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Solution

The fourth proportional to 86,924.10, 119,958.12 and 51,117.42 is: 70,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,924.10 : 119,958.12 = 51,117.42 : x
  2. Step 2: Convert to fraction form
    86,924.10/119,958.12 = 51,117.42/x
  3. Step 3: Cross multiply
    86,924.10x = 119,958.12 × 51,117.42
  4. Step 4: Simplify right side
    86,924.10x = 6,131,949,602.45
  5. Step 5: Solve for x
    x = 6,131,949,602.45/86,924.10
  6. Step 6: Final answer
    x = 70,543.72

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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.