Home / 106,779.56-147,348.36-59,029.13

Finding the Fourth Proportional to 106,779.56, 147,348.36 and 59,029.13

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Solution

The fourth proportional to 106,779.56, 147,348.36 and 59,029.13 is: 81,456.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,779.56 : 147,348.36 = 59,029.13 : x
  2. Step 2: Convert to fraction form
    106,779.56/147,348.36 = 59,029.13/x
  3. Step 3: Cross multiply
    106,779.56x = 147,348.36 × 59,029.13
  4. Step 4: Simplify right side
    106,779.56x = 8,697,844,760.99
  5. Step 5: Solve for x
    x = 8,697,844,760.99/106,779.56
  6. Step 6: Final answer
    x = 81,456.09

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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.