Home / 67,852.55-93,640.76-39,177.46

Finding the Fourth Proportional to 67,852.55, 93,640.76 and 39,177.46

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Solution

The fourth proportional to 67,852.55, 93,640.76 and 39,177.46 is: 54,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,852.55 : 93,640.76 = 39,177.46 : x
  2. Step 2: Convert to fraction form
    67,852.55/93,640.76 = 39,177.46/x
  3. Step 3: Cross multiply
    67,852.55x = 93,640.76 × 39,177.46
  4. Step 4: Simplify right side
    67,852.55x = 3,668,606,465.18
  5. Step 5: Solve for x
    x = 3,668,606,465.18/67,852.55
  6. Step 6: Final answer
    x = 54,067.34

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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.