Home / 84,618.49-116,785.18-48,807.72

Finding the Fourth Proportional to 84,618.49, 116,785.18 and 48,807.72

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Solution

The fourth proportional to 84,618.49, 116,785.18 and 48,807.72 is: 67,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,618.49 : 116,785.18 = 48,807.72 : x
  2. Step 2: Convert to fraction form
    84,618.49/116,785.18 = 48,807.72/x
  3. Step 3: Cross multiply
    84,618.49x = 116,785.18 × 48,807.72
  4. Step 4: Simplify right side
    84,618.49x = 5,700,018,365.59
  5. Step 5: Solve for x
    x = 5,700,018,365.59/84,618.49
  6. Step 6: Final answer
    x = 67,361.38

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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.