Home / 113,854.60-157,090.08-75,669.58

Finding the Fourth Proportional to 113,854.60, 157,090.08 and 75,669.58

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Solution

The fourth proportional to 113,854.60, 157,090.08 and 75,669.58 is: 104,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,854.60 : 157,090.08 = 75,669.58 : x
  2. Step 2: Convert to fraction form
    113,854.60/157,090.08 = 75,669.58/x
  3. Step 3: Cross multiply
    113,854.60x = 157,090.08 × 75,669.58
  4. Step 4: Simplify right side
    113,854.60x = 11,886,940,375.77
  5. Step 5: Solve for x
    x = 11,886,940,375.77/113,854.60
  6. Step 6: Final answer
    x = 104,404.57

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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.