Home / 85,233.58-117,622.47-47,507.02

Finding the Fourth Proportional to 85,233.58, 117,622.47 and 47,507.02

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Solution

The fourth proportional to 85,233.58, 117,622.47 and 47,507.02 is: 65,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,233.58 : 117,622.47 = 47,507.02 : x
  2. Step 2: Convert to fraction form
    85,233.58/117,622.47 = 47,507.02/x
  3. Step 3: Cross multiply
    85,233.58x = 117,622.47 × 47,507.02
  4. Step 4: Simplify right side
    85,233.58x = 5,587,893,034.74
  5. Step 5: Solve for x
    x = 5,587,893,034.74/85,233.58
  6. Step 6: Final answer
    x = 65,559.76

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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.