Home / 85,595.52-118,072.32-51,580.80

Finding the Fourth Proportional to 85,595.52, 118,072.32 and 51,580.80

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Solution

The fourth proportional to 85,595.52, 118,072.32 and 51,580.80 is: 71,151.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,595.52 : 118,072.32 = 51,580.80 : x
  2. Step 2: Convert to fraction form
    85,595.52/118,072.32 = 51,580.80/x
  3. Step 3: Cross multiply
    85,595.52x = 118,072.32 × 51,580.80
  4. Step 4: Simplify right side
    85,595.52x = 6,090,264,723.46
  5. Step 5: Solve for x
    x = 6,090,264,723.46/85,595.52
  6. Step 6: Final answer
    x = 71,151.68

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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.