Home / 91,418.69-126,154.74-50,582.89

Finding the Fourth Proportional to 91,418.69, 126,154.74 and 50,582.89

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Solution

The fourth proportional to 91,418.69, 126,154.74 and 50,582.89 is: 69,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,418.69 : 126,154.74 = 50,582.89 : x
  2. Step 2: Convert to fraction form
    91,418.69/126,154.74 = 50,582.89/x
  3. Step 3: Cross multiply
    91,418.69x = 126,154.74 × 50,582.89
  4. Step 4: Simplify right side
    91,418.69x = 6,381,271,505.52
  5. Step 5: Solve for x
    x = 6,381,271,505.52/91,418.69
  6. Step 6: Final answer
    x = 69,802.70

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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.