Home / 112,390.58-155,102.13-62,092.82

Finding the Fourth Proportional to 112,390.58, 155,102.13 and 62,092.82

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Solution

The fourth proportional to 112,390.58, 155,102.13 and 62,092.82 is: 85,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,390.58 : 155,102.13 = 62,092.82 : x
  2. Step 2: Convert to fraction form
    112,390.58/155,102.13 = 62,092.82/x
  3. Step 3: Cross multiply
    112,390.58x = 155,102.13 × 62,092.82
  4. Step 4: Simplify right side
    112,390.58x = 9,630,728,639.71
  5. Step 5: Solve for x
    x = 9,630,728,639.71/112,390.58
  6. Step 6: Final answer
    x = 85,689.82

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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.