Home / 85,942.77-118,599.19-47,700.09

Finding the Fourth Proportional to 85,942.77, 118,599.19 and 47,700.09

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Solution

The fourth proportional to 85,942.77, 118,599.19 and 47,700.09 is: 65,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,942.77 : 118,599.19 = 47,700.09 : x
  2. Step 2: Convert to fraction form
    85,942.77/118,599.19 = 47,700.09/x
  3. Step 3: Cross multiply
    85,942.77x = 118,599.19 × 47,700.09
  4. Step 4: Simplify right side
    85,942.77x = 5,657,191,917.68
  5. Step 5: Solve for x
    x = 5,657,191,917.68/85,942.77
  6. Step 6: Final answer
    x = 65,825.10

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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.