Home / 109,631.40-164,447.10-39,501.60

Finding the Fourth Proportional to 109,631.40, 164,447.10 and 39,501.60

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Solution

The fourth proportional to 109,631.40, 164,447.10 and 39,501.60 is: 59,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,631.40 : 164,447.10 = 39,501.60 : x
  2. Step 2: Convert to fraction form
    109,631.40/164,447.10 = 39,501.60/x
  3. Step 3: Cross multiply
    109,631.40x = 164,447.10 × 39,501.60
  4. Step 4: Simplify right side
    109,631.40x = 6,495,923,565.36
  5. Step 5: Solve for x
    x = 6,495,923,565.36/109,631.40
  6. Step 6: Final answer
    x = 59,252.40

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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.