Home / 122,058.12-183,393.90-77,704.68

Finding the Fourth Proportional to 122,058.12, 183,393.90 and 77,704.68

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Solution

The fourth proportional to 122,058.12, 183,393.90 and 77,704.68 is: 116,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,058.12 : 183,393.90 = 77,704.68 : x
  2. Step 2: Convert to fraction form
    122,058.12/183,393.90 = 77,704.68/x
  3. Step 3: Cross multiply
    122,058.12x = 183,393.90 × 77,704.68
  4. Step 4: Simplify right side
    122,058.12x = 14,250,564,313.45
  5. Step 5: Solve for x
    x = 14,250,564,313.45/122,058.12
  6. Step 6: Final answer
    x = 116,752.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.