Home / 123,948.63-171,048.31-67,360.01

Finding the Fourth Proportional to 123,948.63, 171,048.31 and 67,360.01

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Solution

The fourth proportional to 123,948.63, 171,048.31 and 67,360.01 is: 92,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,948.63 : 171,048.31 = 67,360.01 : x
  2. Step 2: Convert to fraction form
    123,948.63/171,048.31 = 67,360.01/x
  3. Step 3: Cross multiply
    123,948.63x = 171,048.31 × 67,360.01
  4. Step 4: Simplify right side
    123,948.63x = 11,521,814,848.44
  5. Step 5: Solve for x
    x = 11,521,814,848.44/123,948.63
  6. Step 6: Final answer
    x = 92,956.37

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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.