Home / 123,948.36-171,050.58-67,359.78

Finding the Fourth Proportional to 123,948.36, 171,050.58 and 67,359.78

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Solution

The fourth proportional to 123,948.36, 171,050.58 and 67,359.78 is: 92,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,948.36 : 171,050.58 = 67,359.78 : x
  2. Step 2: Convert to fraction form
    123,948.36/171,050.58 = 67,359.78/x
  3. Step 3: Cross multiply
    123,948.36x = 171,050.58 × 67,359.78
  4. Step 4: Simplify right side
    123,948.36x = 11,521,929,437.67
  5. Step 5: Solve for x
    x = 11,521,929,437.67/123,948.36
  6. Step 6: Final answer
    x = 92,957.50

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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.