Home / 123,966.14-171,078.36-70,250.59

Finding the Fourth Proportional to 123,966.14, 171,078.36 and 70,250.59

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Solution

The fourth proportional to 123,966.14, 171,078.36 and 70,250.59 is: 96,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,966.14 : 171,078.36 = 70,250.59 : x
  2. Step 2: Convert to fraction form
    123,966.14/171,078.36 = 70,250.59/x
  3. Step 3: Cross multiply
    123,966.14x = 171,078.36 × 70,250.59
  4. Step 4: Simplify right side
    123,966.14x = 12,018,354,870.84
  5. Step 5: Solve for x
    x = 12,018,354,870.84/123,966.14
  6. Step 6: Final answer
    x = 96,948.69

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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.