Home / 53,053.74-73,158.56-39,603.42

Finding the Fourth Proportional to 53,053.74, 73,158.56 and 39,603.42

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Solution

The fourth proportional to 53,053.74, 73,158.56 and 39,603.42 is: 54,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,053.74 : 73,158.56 = 39,603.42 : x
  2. Step 2: Convert to fraction form
    53,053.74/73,158.56 = 39,603.42/x
  3. Step 3: Cross multiply
    53,053.74x = 73,158.56 × 39,603.42
  4. Step 4: Simplify right side
    53,053.74x = 2,897,329,178.28
  5. Step 5: Solve for x
    x = 2,897,329,178.28/53,053.74
  6. Step 6: Final answer
    x = 54,611.21

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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.