Home / 97,901.60-146,560.80-58,438.40

Finding the Fourth Proportional to 97,901.60, 146,560.80 and 58,438.40

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Solution

The fourth proportional to 97,901.60, 146,560.80 and 58,438.40 is: 87,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,901.60 : 146,560.80 = 58,438.40 : x
  2. Step 2: Convert to fraction form
    97,901.60/146,560.80 = 58,438.40/x
  3. Step 3: Cross multiply
    97,901.60x = 146,560.80 × 58,438.40
  4. Step 4: Simplify right side
    97,901.60x = 8,564,778,654.72
  5. Step 5: Solve for x
    x = 8,564,778,654.72/97,901.60
  6. Step 6: Final answer
    x = 87,483.54

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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.