Home / 81,768.34-112,866.06-59,477.14

Finding the Fourth Proportional to 81,768.34, 112,866.06 and 59,477.14

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Solution

The fourth proportional to 81,768.34, 112,866.06 and 59,477.14 is: 82,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,768.34 : 112,866.06 = 59,477.14 : x
  2. Step 2: Convert to fraction form
    81,768.34/112,866.06 = 59,477.14/x
  3. Step 3: Cross multiply
    81,768.34x = 112,866.06 × 59,477.14
  4. Step 4: Simplify right side
    81,768.34x = 6,712,950,451.87
  5. Step 5: Solve for x
    x = 6,712,950,451.87/81,768.34
  6. Step 6: Final answer
    x = 82,097.18

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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.