Home / 57,737.51-79,633.64-39,862.43

Finding the Fourth Proportional to 57,737.51, 79,633.64 and 39,862.43

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Solution

The fourth proportional to 57,737.51, 79,633.64 and 39,862.43 is: 54,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,737.51 : 79,633.64 = 39,862.43 : x
  2. Step 2: Convert to fraction form
    57,737.51/79,633.64 = 39,862.43/x
  3. Step 3: Cross multiply
    57,737.51x = 79,633.64 × 39,862.43
  4. Step 4: Simplify right side
    57,737.51x = 3,174,390,200.83
  5. Step 5: Solve for x
    x = 3,174,390,200.83/57,737.51
  6. Step 6: Final answer
    x = 54,979.69

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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.