Home / 64,984.28-97,394.40-31,632.53

Finding the Fourth Proportional to 64,984.28, 97,394.40 and 31,632.53

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Solution

The fourth proportional to 64,984.28, 97,394.40 and 31,632.53 is: 47,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,984.28 : 97,394.40 = 31,632.53 : x
  2. Step 2: Convert to fraction form
    64,984.28/97,394.40 = 31,632.53/x
  3. Step 3: Cross multiply
    64,984.28x = 97,394.40 × 31,632.53
  4. Step 4: Simplify right side
    64,984.28x = 3,080,830,792.86
  5. Step 5: Solve for x
    x = 3,080,830,792.86/64,984.28
  6. Step 6: Final answer
    x = 47,408.87

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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.