Home / 85,041.04-117,317.37-54,836.05

Finding the Fourth Proportional to 85,041.04, 117,317.37 and 54,836.05

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Solution

The fourth proportional to 85,041.04, 117,317.37 and 54,836.05 is: 75,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,041.04 : 117,317.37 = 54,836.05 : x
  2. Step 2: Convert to fraction form
    85,041.04/117,317.37 = 54,836.05/x
  3. Step 3: Cross multiply
    85,041.04x = 117,317.37 × 54,836.05
  4. Step 4: Simplify right side
    85,041.04x = 6,433,221,167.19
  5. Step 5: Solve for x
    x = 6,433,221,167.19/85,041.04
  6. Step 6: Final answer
    x = 75,648.43

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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.