Home / 97,106.88-145,718.64-40,943.52

Finding the Fourth Proportional to 97,106.88, 145,718.64 and 40,943.52

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Solution

The fourth proportional to 97,106.88, 145,718.64 and 40,943.52 is: 61,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,106.88 : 145,718.64 = 40,943.52 : x
  2. Step 2: Convert to fraction form
    97,106.88/145,718.64 = 40,943.52/x
  3. Step 3: Cross multiply
    97,106.88x = 145,718.64 × 40,943.52
  4. Step 4: Simplify right side
    97,106.88x = 5,966,234,051.21
  5. Step 5: Solve for x
    x = 5,966,234,051.21/97,106.88
  6. Step 6: Final answer
    x = 61,439.87

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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.