Home / 84,801.48-117,020.18-47,072.76

Finding the Fourth Proportional to 84,801.48, 117,020.18 and 47,072.76

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Solution

The fourth proportional to 84,801.48, 117,020.18 and 47,072.76 is: 64,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,801.48 : 117,020.18 = 47,072.76 : x
  2. Step 2: Convert to fraction form
    84,801.48/117,020.18 = 47,072.76/x
  3. Step 3: Cross multiply
    84,801.48x = 117,020.18 × 47,072.76
  4. Step 4: Simplify right side
    84,801.48x = 5,508,462,848.30
  5. Step 5: Solve for x
    x = 5,508,462,848.30/84,801.48
  6. Step 6: Final answer
    x = 64,957.15

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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.