Home / 105,793.04-145,998.96-63,343.46

Finding the Fourth Proportional to 105,793.04, 145,998.96 and 63,343.46

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Solution

The fourth proportional to 105,793.04, 145,998.96 and 63,343.46 is: 87,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,793.04 : 145,998.96 = 63,343.46 : x
  2. Step 2: Convert to fraction form
    105,793.04/145,998.96 = 63,343.46/x
  3. Step 3: Cross multiply
    105,793.04x = 145,998.96 × 63,343.46
  4. Step 4: Simplify right side
    105,793.04x = 9,248,079,282.80
  5. Step 5: Solve for x
    x = 9,248,079,282.80/105,793.04
  6. Step 6: Final answer
    x = 87,416.71

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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.