Home / 96,917.28-145,328.54-39,980.58

Finding the Fourth Proportional to 96,917.28, 145,328.54 and 39,980.58

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Solution

The fourth proportional to 96,917.28, 145,328.54 and 39,980.58 is: 59,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,917.28 : 145,328.54 = 39,980.58 : x
  2. Step 2: Convert to fraction form
    96,917.28/145,328.54 = 39,980.58/x
  3. Step 3: Cross multiply
    96,917.28x = 145,328.54 × 39,980.58
  4. Step 4: Simplify right side
    96,917.28x = 5,810,319,119.85
  5. Step 5: Solve for x
    x = 5,810,319,119.85/96,917.28
  6. Step 6: Final answer
    x = 59,951.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.