Home / 70,857.16-97,782.62-39,025.98

Finding the Fourth Proportional to 70,857.16, 97,782.62 and 39,025.98

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Solution

The fourth proportional to 70,857.16, 97,782.62 and 39,025.98 is: 53,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,857.16 : 97,782.62 = 39,025.98 : x
  2. Step 2: Convert to fraction form
    70,857.16/97,782.62 = 39,025.98/x
  3. Step 3: Cross multiply
    70,857.16x = 97,782.62 × 39,025.98
  4. Step 4: Simplify right side
    70,857.16x = 3,816,062,572.47
  5. Step 5: Solve for x
    x = 3,816,062,572.47/70,857.16
  6. Step 6: Final answer
    x = 53,855.71

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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.