Home / 86,290.35-119,113.18-50,491.89

Finding the Fourth Proportional to 86,290.35, 119,113.18 and 50,491.89

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Solution

The fourth proportional to 86,290.35, 119,113.18 and 50,491.89 is: 69,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,290.35 : 119,113.18 = 50,491.89 : x
  2. Step 2: Convert to fraction form
    86,290.35/119,113.18 = 50,491.89/x
  3. Step 3: Cross multiply
    86,290.35x = 119,113.18 × 50,491.89
  4. Step 4: Simplify right side
    86,290.35x = 6,014,249,582.11
  5. Step 5: Solve for x
    x = 6,014,249,582.11/86,290.35
  6. Step 6: Final answer
    x = 69,697.82

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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.