Home / 85,055.85-117,337.80-51,005.28

Finding the Fourth Proportional to 85,055.85, 117,337.80 and 51,005.28

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Solution

The fourth proportional to 85,055.85, 117,337.80 and 51,005.28 is: 70,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,055.85 : 117,337.80 = 51,005.28 : x
  2. Step 2: Convert to fraction form
    85,055.85/117,337.80 = 51,005.28/x
  3. Step 3: Cross multiply
    85,055.85x = 117,337.80 × 51,005.28
  4. Step 4: Simplify right side
    85,055.85x = 5,984,846,756.90
  5. Step 5: Solve for x
    x = 5,984,846,756.90/85,055.85
  6. Step 6: Final answer
    x = 70,363.73

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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.