Home / 56,857.16-78,469.65-32,984.63

Finding the Fourth Proportional to 56,857.16, 78,469.65 and 32,984.63

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Solution

The fourth proportional to 56,857.16, 78,469.65 and 32,984.63 is: 45,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,857.16 : 78,469.65 = 32,984.63 : x
  2. Step 2: Convert to fraction form
    56,857.16/78,469.65 = 32,984.63/x
  3. Step 3: Cross multiply
    56,857.16x = 78,469.65 × 32,984.63
  4. Step 4: Simplify right side
    56,857.16x = 2,588,292,567.65
  5. Step 5: Solve for x
    x = 2,588,292,567.65/56,857.16
  6. Step 6: Final answer
    x = 45,522.72

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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.