Home / 88,211.83-121,731.67-47,925.93

Finding the Fourth Proportional to 88,211.83, 121,731.67 and 47,925.93

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Solution

The fourth proportional to 88,211.83, 121,731.67 and 47,925.93 is: 66,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,211.83 : 121,731.67 = 47,925.93 : x
  2. Step 2: Convert to fraction form
    88,211.83/121,731.67 = 47,925.93/x
  3. Step 3: Cross multiply
    88,211.83x = 121,731.67 × 47,925.93
  4. Step 4: Simplify right side
    88,211.83x = 5,834,102,886.54
  5. Step 5: Solve for x
    x = 5,834,102,886.54/88,211.83
  6. Step 6: Final answer
    x = 66,137.42

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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.