Home / 84,795.47-117,011.89-47,066.75

Finding the Fourth Proportional to 84,795.47, 117,011.89 and 47,066.75

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Solution

The fourth proportional to 84,795.47, 117,011.89 and 47,066.75 is: 64,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,795.47 : 117,011.89 = 47,066.75 : x
  2. Step 2: Convert to fraction form
    84,795.47/117,011.89 = 47,066.75/x
  3. Step 3: Cross multiply
    84,795.47x = 117,011.89 × 47,066.75
  4. Step 4: Simplify right side
    84,795.47x = 5,507,369,373.66
  5. Step 5: Solve for x
    x = 5,507,369,373.66/84,795.47
  6. Step 6: Final answer
    x = 64,948.86

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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.