Home / 77,045.58-106,251.75-59,141.34

Finding the Fourth Proportional to 77,045.58, 106,251.75 and 59,141.34

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Solution

The fourth proportional to 77,045.58, 106,251.75 and 59,141.34 is: 81,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,045.58 : 106,251.75 = 59,141.34 : x
  2. Step 2: Convert to fraction form
    77,045.58/106,251.75 = 59,141.34/x
  3. Step 3: Cross multiply
    77,045.58x = 106,251.75 × 59,141.34
  4. Step 4: Simplify right side
    77,045.58x = 6,283,870,872.35
  5. Step 5: Solve for x
    x = 6,283,870,872.35/77,045.58
  6. Step 6: Final answer
    x = 81,560.43

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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.