Home / 94,582.08-130,711.32-77,559.84

Finding the Fourth Proportional to 94,582.08, 130,711.32 and 77,559.84

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Solution

The fourth proportional to 94,582.08, 130,711.32 and 77,559.84 is: 107,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,582.08 : 130,711.32 = 77,559.84 : x
  2. Step 2: Convert to fraction form
    94,582.08/130,711.32 = 77,559.84/x
  3. Step 3: Cross multiply
    94,582.08x = 130,711.32 × 77,559.84
  4. Step 4: Simplify right side
    94,582.08x = 10,137,949,065.39
  5. Step 5: Solve for x
    x = 10,137,949,065.39/94,582.08
  6. Step 6: Final answer
    x = 107,186.78

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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.