Home / 85,820.24-118,443.53-50,021.48

Finding the Fourth Proportional to 85,820.24, 118,443.53 and 50,021.48

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Solution

The fourth proportional to 85,820.24, 118,443.53 and 50,021.48 is: 69,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,820.24 : 118,443.53 = 50,021.48 : x
  2. Step 2: Convert to fraction form
    85,820.24/118,443.53 = 50,021.48/x
  3. Step 3: Cross multiply
    85,820.24x = 118,443.53 × 50,021.48
  4. Step 4: Simplify right side
    85,820.24x = 5,924,720,416.92
  5. Step 5: Solve for x
    x = 5,924,720,416.92/85,820.24
  6. Step 6: Final answer
    x = 69,036.40

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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.