Home / 92,768.19-139,065.71-36,608.76

Finding the Fourth Proportional to 92,768.19, 139,065.71 and 36,608.76

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Solution

The fourth proportional to 92,768.19, 139,065.71 and 36,608.76 is: 54,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,768.19 : 139,065.71 = 36,608.76 : x
  2. Step 2: Convert to fraction form
    92,768.19/139,065.71 = 36,608.76/x
  3. Step 3: Cross multiply
    92,768.19x = 139,065.71 × 36,608.76
  4. Step 4: Simplify right side
    92,768.19x = 5,091,023,018.58
  5. Step 5: Solve for x
    x = 5,091,023,018.58/92,768.19
  6. Step 6: Final answer
    x = 54,878.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.