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Finding the Fourth Proportional to 65,150.60, 97,798.80 and 50,424.80

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Solution

The fourth proportional to 65,150.60, 97,798.80 and 50,424.80 is: 75,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,150.60 : 97,798.80 = 50,424.80 : x
  2. Step 2: Convert to fraction form
    65,150.60/97,798.80 = 50,424.80/x
  3. Step 3: Cross multiply
    65,150.60x = 97,798.80 × 50,424.80
  4. Step 4: Simplify right side
    65,150.60x = 4,931,484,930.24
  5. Step 5: Solve for x
    x = 4,931,484,930.24/65,150.60
  6. Step 6: Final answer
    x = 75,693.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.