Home / 85,346.08-117,777.72-47,619.52

Finding the Fourth Proportional to 85,346.08, 117,777.72 and 47,619.52

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Solution

The fourth proportional to 85,346.08, 117,777.72 and 47,619.52 is: 65,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,346.08 : 117,777.72 = 47,619.52 : x
  2. Step 2: Convert to fraction form
    85,346.08/117,777.72 = 47,619.52/x
  3. Step 3: Cross multiply
    85,346.08x = 117,777.72 × 47,619.52
  4. Step 4: Simplify right side
    85,346.08x = 5,608,518,493.09
  5. Step 5: Solve for x
    x = 5,608,518,493.09/85,346.08
  6. Step 6: Final answer
    x = 65,715.01

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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.