Home / 124,006.96-171,131.16-67,419.28

Finding the Fourth Proportional to 124,006.96, 171,131.16 and 67,419.28

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Solution

The fourth proportional to 124,006.96, 171,131.16 and 67,419.28 is: 93,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,006.96 : 171,131.16 = 67,419.28 : x
  2. Step 2: Convert to fraction form
    124,006.96/171,131.16 = 67,419.28/x
  3. Step 3: Cross multiply
    124,006.96x = 171,131.16 × 67,419.28
  4. Step 4: Simplify right side
    124,006.96x = 11,537,539,592.76
  5. Step 5: Solve for x
    x = 11,537,539,592.76/124,006.96
  6. Step 6: Final answer
    x = 93,039.45

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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.