Home / 85,541.08-118,061.94-51,555.64

Finding the Fourth Proportional to 85,541.08, 118,061.94 and 51,555.64

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Solution

The fourth proportional to 85,541.08, 118,061.94 and 51,555.64 is: 71,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,541.08 : 118,061.94 = 51,555.64 : x
  2. Step 2: Convert to fraction form
    85,541.08/118,061.94 = 51,555.64/x
  3. Step 3: Cross multiply
    85,541.08x = 118,061.94 × 51,555.64
  4. Step 4: Simplify right side
    85,541.08x = 6,086,758,876.34
  5. Step 5: Solve for x
    x = 6,086,758,876.34/85,541.08
  6. Step 6: Final answer
    x = 71,155.97

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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.