Home / 84,901.17-117,158.63-49,088.64

Finding the Fourth Proportional to 84,901.17, 117,158.63 and 49,088.64

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Solution

The fourth proportional to 84,901.17, 117,158.63 and 49,088.64 is: 67,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,901.17 : 117,158.63 = 49,088.64 : x
  2. Step 2: Convert to fraction form
    84,901.17/117,158.63 = 49,088.64/x
  3. Step 3: Cross multiply
    84,901.17x = 117,158.63 × 49,088.64
  4. Step 4: Simplify right side
    84,901.17x = 5,751,157,565.52
  5. Step 5: Solve for x
    x = 5,751,157,565.52/84,901.17
  6. Step 6: Final answer
    x = 67,739.44

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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.