Home / 86,723.05-119,714.70-52,742.46

Finding the Fourth Proportional to 86,723.05, 119,714.70 and 52,742.46

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Solution

The fourth proportional to 86,723.05, 119,714.70 and 52,742.46 is: 72,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,723.05 : 119,714.70 = 52,742.46 : x
  2. Step 2: Convert to fraction form
    86,723.05/119,714.70 = 52,742.46/x
  3. Step 3: Cross multiply
    86,723.05x = 119,714.70 × 52,742.46
  4. Step 4: Simplify right side
    86,723.05x = 6,314,047,449.87
  5. Step 5: Solve for x
    x = 6,314,047,449.87/86,723.05
  6. Step 6: Final answer
    x = 72,807.02

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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.