Home / 97,141.02-145,711.80-27,020.40

Finding the Fourth Proportional to 97,141.02, 145,711.80 and 27,020.40

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Solution

The fourth proportional to 97,141.02, 145,711.80 and 27,020.40 is: 40,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,141.02 : 145,711.80 = 27,020.40 : x
  2. Step 2: Convert to fraction form
    97,141.02/145,711.80 = 27,020.40/x
  3. Step 3: Cross multiply
    97,141.02x = 145,711.80 × 27,020.40
  4. Step 4: Simplify right side
    97,141.02x = 3,937,191,120.72
  5. Step 5: Solve for x
    x = 3,937,191,120.72/97,141.02
  6. Step 6: Final answer
    x = 40,530.68

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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.