Home / 105,800.81-146,005.13-60,479.80

Finding the Fourth Proportional to 105,800.81, 146,005.13 and 60,479.80

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Solution

The fourth proportional to 105,800.81, 146,005.13 and 60,479.80 is: 83,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,800.81 : 146,005.13 = 60,479.80 : x
  2. Step 2: Convert to fraction form
    105,800.81/146,005.13 = 60,479.80/x
  3. Step 3: Cross multiply
    105,800.81x = 146,005.13 × 60,479.80
  4. Step 4: Simplify right side
    105,800.81x = 8,830,360,847.56
  5. Step 5: Solve for x
    x = 8,830,360,847.56/105,800.81
  6. Step 6: Final answer
    x = 83,462.13

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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.