Home / 124,209.24-171,409.40-67,621.02

Finding the Fourth Proportional to 124,209.24, 171,409.40 and 67,621.02

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Solution

The fourth proportional to 124,209.24, 171,409.40 and 67,621.02 is: 93,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,209.24 : 171,409.40 = 67,621.02 : x
  2. Step 2: Convert to fraction form
    124,209.24/171,409.40 = 67,621.02/x
  3. Step 3: Cross multiply
    124,209.24x = 171,409.40 × 67,621.02
  4. Step 4: Simplify right side
    124,209.24x = 11,590,878,465.59
  5. Step 5: Solve for x
    x = 11,590,878,465.59/124,209.24
  6. Step 6: Final answer
    x = 93,317.36

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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.