Home / 124,058.16-171,161.64-70,338.96

Finding the Fourth Proportional to 124,058.16, 171,161.64 and 70,338.96

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Solution

The fourth proportional to 124,058.16, 171,161.64 and 70,338.96 is: 97,045.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,058.16 : 171,161.64 = 70,338.96 : x
  2. Step 2: Convert to fraction form
    124,058.16/171,161.64 = 70,338.96/x
  3. Step 3: Cross multiply
    124,058.16x = 171,161.64 × 70,338.96
  4. Step 4: Simplify right side
    124,058.16x = 12,039,331,749.49
  5. Step 5: Solve for x
    x = 12,039,331,749.49/124,058.16
  6. Step 6: Final answer
    x = 97,045.87

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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.