Home / 56,759.66-78,328.32-32,900.18

Finding the Fourth Proportional to 56,759.66, 78,328.32 and 32,900.18

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Solution

The fourth proportional to 56,759.66, 78,328.32 and 32,900.18 is: 45,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,759.66 : 78,328.32 = 32,900.18 : x
  2. Step 2: Convert to fraction form
    56,759.66/78,328.32 = 32,900.18/x
  3. Step 3: Cross multiply
    56,759.66x = 78,328.32 × 32,900.18
  4. Step 4: Simplify right side
    56,759.66x = 2,577,015,827.10
  5. Step 5: Solve for x
    x = 2,577,015,827.10/56,759.66
  6. Step 6: Final answer
    x = 45,402.24

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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.