Home / 97,790.28-146,574.72-67,417.02

Finding the Fourth Proportional to 97,790.28, 146,574.72 and 67,417.02

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Solution

The fourth proportional to 97,790.28, 146,574.72 and 67,417.02 is: 101,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,790.28 : 146,574.72 = 67,417.02 : x
  2. Step 2: Convert to fraction form
    97,790.28/146,574.72 = 67,417.02/x
  3. Step 3: Cross multiply
    97,790.28x = 146,574.72 × 67,417.02
  4. Step 4: Simplify right side
    97,790.28x = 9,881,630,829.73
  5. Step 5: Solve for x
    x = 9,881,630,829.73/97,790.28
  6. Step 6: Final answer
    x = 101,049.21

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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.