Home / 77,060.22-106,334.13-43,068.77

Finding the Fourth Proportional to 77,060.22, 106,334.13 and 43,068.77

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Solution

The fourth proportional to 77,060.22, 106,334.13 and 43,068.77 is: 59,429.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,060.22 : 106,334.13 = 43,068.77 : x
  2. Step 2: Convert to fraction form
    77,060.22/106,334.13 = 43,068.77/x
  3. Step 3: Cross multiply
    77,060.22x = 106,334.13 × 43,068.77
  4. Step 4: Simplify right side
    77,060.22x = 4,579,680,188.12
  5. Step 5: Solve for x
    x = 4,579,680,188.12/77,060.22
  6. Step 6: Final answer
    x = 59,429.89

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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.