Home / 97,699.22-134,885.40-74,994.74

Finding the Fourth Proportional to 97,699.22, 134,885.40 and 74,994.74

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Solution

The fourth proportional to 97,699.22, 134,885.40 and 74,994.74 is: 103,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,699.22 : 134,885.40 = 74,994.74 : x
  2. Step 2: Convert to fraction form
    97,699.22/134,885.40 = 74,994.74/x
  3. Step 3: Cross multiply
    97,699.22x = 134,885.40 × 74,994.74
  4. Step 4: Simplify right side
    97,699.22x = 10,115,695,502.80
  5. Step 5: Solve for x
    x = 10,115,695,502.80/97,699.22
  6. Step 6: Final answer
    x = 103,539.16

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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.