Home / 97,660.80-146,436.16-31,088.64

Finding the Fourth Proportional to 97,660.80, 146,436.16 and 31,088.64

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Solution

The fourth proportional to 97,660.80, 146,436.16 and 31,088.64 is: 46,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,660.80 : 146,436.16 = 31,088.64 : x
  2. Step 2: Convert to fraction form
    97,660.80/146,436.16 = 31,088.64/x
  3. Step 3: Cross multiply
    97,660.80x = 146,436.16 × 31,088.64
  4. Step 4: Simplify right side
    97,660.80x = 4,552,501,061.22
  5. Step 5: Solve for x
    x = 4,552,501,061.22/97,660.80
  6. Step 6: Final answer
    x = 46,615.44

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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.