Home / 57,192.58-78,857.13-49,221.10

Finding the Fourth Proportional to 57,192.58, 78,857.13 and 49,221.10

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Solution

The fourth proportional to 57,192.58, 78,857.13 and 49,221.10 is: 67,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,192.58 : 78,857.13 = 49,221.10 : x
  2. Step 2: Convert to fraction form
    57,192.58/78,857.13 = 49,221.10/x
  3. Step 3: Cross multiply
    57,192.58x = 78,857.13 × 49,221.10
  4. Step 4: Simplify right side
    57,192.58x = 3,881,434,681.44
  5. Step 5: Solve for x
    x = 3,881,434,681.44/57,192.58
  6. Step 6: Final answer
    x = 67,866.05

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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.