Home / 56,215.30-77,580.10-32,345.60

Finding the Fourth Proportional to 56,215.30, 77,580.10 and 32,345.60

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Solution

The fourth proportional to 56,215.30, 77,580.10 and 32,345.60 is: 44,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,215.30 : 77,580.10 = 32,345.60 : x
  2. Step 2: Convert to fraction form
    56,215.30/77,580.10 = 32,345.60/x
  3. Step 3: Cross multiply
    56,215.30x = 77,580.10 × 32,345.60
  4. Step 4: Simplify right side
    56,215.30x = 2,509,374,882.56
  5. Step 5: Solve for x
    x = 2,509,374,882.56/56,215.30
  6. Step 6: Final answer
    x = 44,638.65

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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.