Home / 90,964.01-125,582.43-60,800.42

Finding the Fourth Proportional to 90,964.01, 125,582.43 and 60,800.42

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Solution

The fourth proportional to 90,964.01, 125,582.43 and 60,800.42 is: 83,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,964.01 : 125,582.43 = 60,800.42 : x
  2. Step 2: Convert to fraction form
    90,964.01/125,582.43 = 60,800.42/x
  3. Step 3: Cross multiply
    90,964.01x = 125,582.43 × 60,800.42
  4. Step 4: Simplify right side
    90,964.01x = 7,635,463,860.71
  5. Step 5: Solve for x
    x = 7,635,463,860.71/90,964.01
  6. Step 6: Final answer
    x = 83,939.40

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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.