Home / 97,658.28-146,438.96-31,089.74

Finding the Fourth Proportional to 97,658.28, 146,438.96 and 31,089.74

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Solution

The fourth proportional to 97,658.28, 146,438.96 and 31,089.74 is: 46,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,658.28 : 146,438.96 = 31,089.74 : x
  2. Step 2: Convert to fraction form
    97,658.28/146,438.96 = 31,089.74/x
  3. Step 3: Cross multiply
    97,658.28x = 146,438.96 × 31,089.74
  4. Step 4: Simplify right side
    97,658.28x = 4,552,748,304.63
  5. Step 5: Solve for x
    x = 4,552,748,304.63/97,658.28
  6. Step 6: Final answer
    x = 46,619.17

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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.