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Finding the Fourth Proportional to 64,170.48, 88,550.76 and 37,311.08

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Solution

The fourth proportional to 64,170.48, 88,550.76 and 37,311.08 is: 51,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,170.48 : 88,550.76 = 37,311.08 : x
  2. Step 2: Convert to fraction form
    64,170.48/88,550.76 = 37,311.08/x
  3. Step 3: Cross multiply
    64,170.48x = 88,550.76 × 37,311.08
  4. Step 4: Simplify right side
    64,170.48x = 3,303,924,269.04
  5. Step 5: Solve for x
    x = 3,303,924,269.04/64,170.48
  6. Step 6: Final answer
    x = 51,486.67

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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.