Home / 79,450.17-109,712.43-59,272.02

Finding the Fourth Proportional to 79,450.17, 109,712.43 and 59,272.02

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Solution

The fourth proportional to 79,450.17, 109,712.43 and 59,272.02 is: 81,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,450.17 : 109,712.43 = 59,272.02 : x
  2. Step 2: Convert to fraction form
    79,450.17/109,712.43 = 59,272.02/x
  3. Step 3: Cross multiply
    79,450.17x = 109,712.43 × 59,272.02
  4. Step 4: Simplify right side
    79,450.17x = 6,502,877,345.21
  5. Step 5: Solve for x
    x = 6,502,877,345.21/79,450.17
  6. Step 6: Final answer
    x = 81,848.50

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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.