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Finding the Fourth Proportional to 67,302.40, 100,953.60 and 60,620.80

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Solution

The fourth proportional to 67,302.40, 100,953.60 and 60,620.80 is: 90,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,302.40 : 100,953.60 = 60,620.80 : x
  2. Step 2: Convert to fraction form
    67,302.40/100,953.60 = 60,620.80/x
  3. Step 3: Cross multiply
    67,302.40x = 100,953.60 × 60,620.80
  4. Step 4: Simplify right side
    67,302.40x = 6,119,887,994.88
  5. Step 5: Solve for x
    x = 6,119,887,994.88/67,302.40
  6. Step 6: Final answer
    x = 90,931.20

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