Home / 85,929.58-118,658.15-53,719.26

Finding the Fourth Proportional to 85,929.58, 118,658.15 and 53,719.26

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Solution

The fourth proportional to 85,929.58, 118,658.15 and 53,719.26 is: 74,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,929.58 : 118,658.15 = 53,719.26 : x
  2. Step 2: Convert to fraction form
    85,929.58/118,658.15 = 53,719.26/x
  3. Step 3: Cross multiply
    85,929.58x = 118,658.15 × 53,719.26
  4. Step 4: Simplify right side
    85,929.58x = 6,374,228,010.97
  5. Step 5: Solve for x
    x = 6,374,228,010.97/85,929.58
  6. Step 6: Final answer
    x = 74,179.67

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1.5x scale

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.