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Finding the Fourth Proportional to 86,585.60, 119,503.67 and 51,662.50

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Solution

The fourth proportional to 86,585.60, 119,503.67 and 51,662.50 is: 71,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,585.60 : 119,503.67 = 51,662.50 : x
  2. Step 2: Convert to fraction form
    86,585.60/119,503.67 = 51,662.50/x
  3. Step 3: Cross multiply
    86,585.60x = 119,503.67 × 51,662.50
  4. Step 4: Simplify right side
    86,585.60x = 6,173,858,351.38
  5. Step 5: Solve for x
    x = 6,173,858,351.38/86,585.60
  6. Step 6: Final answer
    x = 71,303.52

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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.