Home / 90,029.96-124,216.08-51,787.52

Finding the Fourth Proportional to 90,029.96, 124,216.08 and 51,787.52

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Solution

The fourth proportional to 90,029.96, 124,216.08 and 51,787.52 is: 71,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,029.96 : 124,216.08 = 51,787.52 : x
  2. Step 2: Convert to fraction form
    90,029.96/124,216.08 = 51,787.52/x
  3. Step 3: Cross multiply
    90,029.96x = 124,216.08 × 51,787.52
  4. Step 4: Simplify right side
    90,029.96x = 6,432,842,727.32
  5. Step 5: Solve for x
    x = 6,432,842,727.32/90,029.96
  6. Step 6: Final answer
    x = 71,452.24

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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.