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Finding the Fourth Proportional to 64,300.53, 88,758.03 and 52,343.11

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Solution

The fourth proportional to 64,300.53, 88,758.03 and 52,343.11 is: 72,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,300.53 : 88,758.03 = 52,343.11 : x
  2. Step 2: Convert to fraction form
    64,300.53/88,758.03 = 52,343.11/x
  3. Step 3: Cross multiply
    64,300.53x = 88,758.03 × 52,343.11
  4. Step 4: Simplify right side
    64,300.53x = 4,645,871,327.67
  5. Step 5: Solve for x
    x = 4,645,871,327.67/64,300.53
  6. Step 6: Final answer
    x = 72,252.46

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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.