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Finding the Fourth Proportional to 64,840.68, 97,304.76 and 25,392.87

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Solution

The fourth proportional to 64,840.68, 97,304.76 and 25,392.87 is: 38,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,840.68 : 97,304.76 = 25,392.87 : x
  2. Step 2: Convert to fraction form
    64,840.68/97,304.76 = 25,392.87/x
  3. Step 3: Cross multiply
    64,840.68x = 97,304.76 × 25,392.87
  4. Step 4: Simplify right side
    64,840.68x = 2,470,847,121.06
  5. Step 5: Solve for x
    x = 2,470,847,121.06/64,840.68
  6. Step 6: Final answer
    x = 38,106.43

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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.