Home / 123,935.95-171,031.15-70,231.24

Finding the Fourth Proportional to 123,935.95, 171,031.15 and 70,231.24

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Solution

The fourth proportional to 123,935.95, 171,031.15 and 70,231.24 is: 96,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,935.95 : 171,031.15 = 70,231.24 : x
  2. Step 2: Convert to fraction form
    123,935.95/171,031.15 = 70,231.24/x
  3. Step 3: Cross multiply
    123,935.95x = 171,031.15 × 70,231.24
  4. Step 4: Simplify right side
    123,935.95x = 12,011,729,743.13
  5. Step 5: Solve for x
    x = 12,011,729,743.13/123,935.95
  6. Step 6: Final answer
    x = 96,918.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.