Home / 108,281.66-149,429.64-59,881.07

Finding the Fourth Proportional to 108,281.66, 149,429.64 and 59,881.07

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Solution

The fourth proportional to 108,281.66, 149,429.64 and 59,881.07 is: 82,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,281.66 : 149,429.64 = 59,881.07 : x
  2. Step 2: Convert to fraction form
    108,281.66/149,429.64 = 59,881.07/x
  3. Step 3: Cross multiply
    108,281.66x = 149,429.64 × 59,881.07
  4. Step 4: Simplify right side
    108,281.66x = 8,948,006,956.79
  5. Step 5: Solve for x
    x = 8,948,006,956.79/108,281.66
  6. Step 6: Final answer
    x = 82,636.40

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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.