Home / 56,801.22-78,399.04-35,307.18

Finding the Fourth Proportional to 56,801.22, 78,399.04 and 35,307.18

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Solution

The fourth proportional to 56,801.22, 78,399.04 and 35,307.18 is: 48,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,801.22 : 78,399.04 = 35,307.18 : x
  2. Step 2: Convert to fraction form
    56,801.22/78,399.04 = 35,307.18/x
  3. Step 3: Cross multiply
    56,801.22x = 78,399.04 × 35,307.18
  4. Step 4: Simplify right side
    56,801.22x = 2,768,049,017.11
  5. Step 5: Solve for x
    x = 2,768,049,017.11/56,801.22
  6. Step 6: Final answer
    x = 48,732.21

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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.