Home / 64,766.40-97,124-31,476.60

Finding the Fourth Proportional to 64,766.40, 97,124 and 31,476.60

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Solution

The fourth proportional to 64,766.40, 97,124 and 31,476.60 is: 47,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,766.40 : 97,124 = 31,476.60 : x
  2. Step 2: Convert to fraction form
    64,766.40/97,124 = 31,476.60/x
  3. Step 3: Cross multiply
    64,766.40x = 97,124 × 31,476.60
  4. Step 4: Simplify right side
    64,766.40x = 3,057,133,298.40
  5. Step 5: Solve for x
    x = 3,057,133,298.40/64,766.40
  6. Step 6: Final answer
    x = 47,202.46

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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.