Home / 64,811.55-97,195.05-31,510.17

Finding the Fourth Proportional to 64,811.55, 97,195.05 and 31,510.17

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Solution

The fourth proportional to 64,811.55, 97,195.05 and 31,510.17 is: 47,254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,811.55 : 97,195.05 = 31,510.17 : x
  2. Step 2: Convert to fraction form
    64,811.55/97,195.05 = 31,510.17/x
  3. Step 3: Cross multiply
    64,811.55x = 97,195.05 × 31,510.17
  4. Step 4: Simplify right side
    64,811.55x = 3,062,632,548.66
  5. Step 5: Solve for x
    x = 3,062,632,548.66/64,811.55
  6. Step 6: Final answer
    x = 47,254.43

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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.