Home / 86,281.40-119,068.79-50,464.42

Finding the Fourth Proportional to 86,281.40, 119,068.79 and 50,464.42

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Solution

The fourth proportional to 86,281.40, 119,068.79 and 50,464.42 is: 69,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,281.40 : 119,068.79 = 50,464.42 : x
  2. Step 2: Convert to fraction form
    86,281.40/119,068.79 = 50,464.42/x
  3. Step 3: Cross multiply
    86,281.40x = 119,068.79 × 50,464.42
  4. Step 4: Simplify right side
    86,281.40x = 6,008,736,877.46
  5. Step 5: Solve for x
    x = 6,008,736,877.46/86,281.40
  6. Step 6: Final answer
    x = 69,641.16

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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.