Home / 86,742.02-119,697.32-52,745.84

Finding the Fourth Proportional to 86,742.02, 119,697.32 and 52,745.84

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Solution

The fourth proportional to 86,742.02, 119,697.32 and 52,745.84 is: 72,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,742.02 : 119,697.32 = 52,745.84 : x
  2. Step 2: Convert to fraction form
    86,742.02/119,697.32 = 52,745.84/x
  3. Step 3: Cross multiply
    86,742.02x = 119,697.32 × 52,745.84
  4. Step 4: Simplify right side
    86,742.02x = 6,313,535,689.15
  5. Step 5: Solve for x
    x = 6,313,535,689.15/86,742.02
  6. Step 6: Final answer
    x = 72,785.20

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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.