Home / 113,508.72-170,368.02-57,388.32

Finding the Fourth Proportional to 113,508.72, 170,368.02 and 57,388.32

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Solution

The fourth proportional to 113,508.72, 170,368.02 and 57,388.32 is: 86,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,508.72 : 170,368.02 = 57,388.32 : x
  2. Step 2: Convert to fraction form
    113,508.72/170,368.02 = 57,388.32/x
  3. Step 3: Cross multiply
    113,508.72x = 170,368.02 × 57,388.32
  4. Step 4: Simplify right side
    113,508.72x = 9,777,134,449.53
  5. Step 5: Solve for x
    x = 9,777,134,449.53/113,508.72
  6. Step 6: Final answer
    x = 86,135.54

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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.