Home / 88,071.58-121,525.85-49,307.39

Finding the Fourth Proportional to 88,071.58, 121,525.85 and 49,307.39

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Solution

The fourth proportional to 88,071.58, 121,525.85 and 49,307.39 is: 68,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,071.58 : 121,525.85 = 49,307.39 : x
  2. Step 2: Convert to fraction form
    88,071.58/121,525.85 = 49,307.39/x
  3. Step 3: Cross multiply
    88,071.58x = 121,525.85 × 49,307.39
  4. Step 4: Simplify right side
    88,071.58x = 5,992,123,135.98
  5. Step 5: Solve for x
    x = 5,992,123,135.98/88,071.58
  6. Step 6: Final answer
    x = 68,036.97

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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.