Home / 75,130.74-103,554.45-59,974.83

Finding the Fourth Proportional to 75,130.74, 103,554.45 and 59,974.83

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Solution

The fourth proportional to 75,130.74, 103,554.45 and 59,974.83 is: 82,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,130.74 : 103,554.45 = 59,974.83 : x
  2. Step 2: Convert to fraction form
    75,130.74/103,554.45 = 59,974.83/x
  3. Step 3: Cross multiply
    75,130.74x = 103,554.45 × 59,974.83
  4. Step 4: Simplify right side
    75,130.74x = 6,210,660,534.49
  5. Step 5: Solve for x
    x = 6,210,660,534.49/75,130.74
  6. Step 6: Final answer
    x = 82,664.71

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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.