Home / 85,292.34-117,751.56-59,145.54

Finding the Fourth Proportional to 85,292.34, 117,751.56 and 59,145.54

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Solution

The fourth proportional to 85,292.34, 117,751.56 and 59,145.54 is: 81,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,292.34 : 117,751.56 = 59,145.54 : x
  2. Step 2: Convert to fraction form
    85,292.34/117,751.56 = 59,145.54/x
  3. Step 3: Cross multiply
    85,292.34x = 117,751.56 × 59,145.54
  4. Step 4: Simplify right side
    85,292.34x = 6,964,479,602.04
  5. Step 5: Solve for x
    x = 6,964,479,602.04/85,292.34
  6. Step 6: Final answer
    x = 81,654.22

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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.