Home / 107,081.80-147,772.74-59,338.24

Finding the Fourth Proportional to 107,081.80, 147,772.74 and 59,338.24

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Solution

The fourth proportional to 107,081.80, 147,772.74 and 59,338.24 is: 81,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,081.80 : 147,772.74 = 59,338.24 : x
  2. Step 2: Convert to fraction form
    107,081.80/147,772.74 = 59,338.24/x
  3. Step 3: Cross multiply
    107,081.80x = 147,772.74 × 59,338.24
  4. Step 4: Simplify right side
    107,081.80x = 8,768,574,311.58
  5. Step 5: Solve for x
    x = 8,768,574,311.58/107,081.80
  6. Step 6: Final answer
    x = 81,886.69

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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.