Home / 106,861.04-147,456.96-59,106.80

Finding the Fourth Proportional to 106,861.04, 147,456.96 and 59,106.80

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Solution

The fourth proportional to 106,861.04, 147,456.96 and 59,106.80 is: 81,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,861.04 : 147,456.96 = 59,106.80 : x
  2. Step 2: Convert to fraction form
    106,861.04/147,456.96 = 59,106.80/x
  3. Step 3: Cross multiply
    106,861.04x = 147,456.96 × 59,106.80
  4. Step 4: Simplify right side
    106,861.04x = 8,715,709,043.33
  5. Step 5: Solve for x
    x = 8,715,709,043.33/106,861.04
  6. Step 6: Final answer
    x = 81,561.15

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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.