Home / 82,820.90-114,307.54-47,003.78

Finding the Fourth Proportional to 82,820.90, 114,307.54 and 47,003.78

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Solution

The fourth proportional to 82,820.90, 114,307.54 and 47,003.78 is: 64,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,820.90 : 114,307.54 = 47,003.78 : x
  2. Step 2: Convert to fraction form
    82,820.90/114,307.54 = 47,003.78/x
  3. Step 3: Cross multiply
    82,820.90x = 114,307.54 × 47,003.78
  4. Step 4: Simplify right side
    82,820.90x = 5,372,886,462.50
  5. Step 5: Solve for x
    x = 5,372,886,462.50/82,820.90
  6. Step 6: Final answer
    x = 64,873.56

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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.