Home / 124,409.36-171,549.40-84,053.04

Finding the Fourth Proportional to 124,409.36, 171,549.40 and 84,053.04

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Solution

The fourth proportional to 124,409.36, 171,549.40 and 84,053.04 is: 115,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,409.36 : 171,549.40 = 84,053.04 : x
  2. Step 2: Convert to fraction form
    124,409.36/171,549.40 = 84,053.04/x
  3. Step 3: Cross multiply
    124,409.36x = 171,549.40 × 84,053.04
  4. Step 4: Simplify right side
    124,409.36x = 14,419,248,580.18
  5. Step 5: Solve for x
    x = 14,419,248,580.18/124,409.36
  6. Step 6: Final answer
    x = 115,901.64

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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.