Home / 124,548.57-171,876.10-70,833.51

Finding the Fourth Proportional to 124,548.57, 171,876.10 and 70,833.51

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Solution

The fourth proportional to 124,548.57, 171,876.10 and 70,833.51 is: 97,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,548.57 : 171,876.10 = 70,833.51 : x
  2. Step 2: Convert to fraction form
    124,548.57/171,876.10 = 70,833.51/x
  3. Step 3: Cross multiply
    124,548.57x = 171,876.10 × 70,833.51
  4. Step 4: Simplify right side
    124,548.57x = 12,174,587,448.11
  5. Step 5: Solve for x
    x = 12,174,587,448.11/124,548.57
  6. Step 6: Final answer
    x = 97,749.72

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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.