Home / 124,070.51-171,170.91-73,052.05

Finding the Fourth Proportional to 124,070.51, 171,170.91 and 73,052.05

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Solution

The fourth proportional to 124,070.51, 171,170.91 and 73,052.05 is: 100,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,070.51 : 171,170.91 = 73,052.05 : x
  2. Step 2: Convert to fraction form
    124,070.51/171,170.91 = 73,052.05/x
  3. Step 3: Cross multiply
    124,070.51x = 171,170.91 × 73,052.05
  4. Step 4: Simplify right side
    124,070.51x = 12,504,385,875.87
  5. Step 5: Solve for x
    x = 12,504,385,875.87/124,070.51
  6. Step 6: Final answer
    x = 100,784.51

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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.