Home / 84,639.44-116,798.40-48,840.96

Finding the Fourth Proportional to 84,639.44, 116,798.40 and 48,840.96

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Solution

The fourth proportional to 84,639.44, 116,798.40 and 48,840.96 is: 67,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,639.44 : 116,798.40 = 48,840.96 : x
  2. Step 2: Convert to fraction form
    84,639.44/116,798.40 = 48,840.96/x
  3. Step 3: Cross multiply
    84,639.44x = 116,798.40 × 48,840.96
  4. Step 4: Simplify right side
    84,639.44x = 5,704,545,982.46
  5. Step 5: Solve for x
    x = 5,704,545,982.46/84,639.44
  6. Step 6: Final answer
    x = 67,398.20

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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.