Home / 84,753.16-116,980.86-57,906.52

Finding the Fourth Proportional to 84,753.16, 116,980.86 and 57,906.52

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Solution

The fourth proportional to 84,753.16, 116,980.86 and 57,906.52 is: 79,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,753.16 : 116,980.86 = 57,906.52 : x
  2. Step 2: Convert to fraction form
    84,753.16/116,980.86 = 57,906.52/x
  3. Step 3: Cross multiply
    84,753.16x = 116,980.86 × 57,906.52
  4. Step 4: Simplify right side
    84,753.16x = 6,773,954,509.21
  5. Step 5: Solve for x
    x = 6,773,954,509.21/84,753.16
  6. Step 6: Final answer
    x = 79,925.69

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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.