Home / 85,091.68-117,424.56-53,278.12

Finding the Fourth Proportional to 85,091.68, 117,424.56 and 53,278.12

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Solution

The fourth proportional to 85,091.68, 117,424.56 and 53,278.12 is: 73,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,091.68 : 117,424.56 = 53,278.12 : x
  2. Step 2: Convert to fraction form
    85,091.68/117,424.56 = 53,278.12/x
  3. Step 3: Cross multiply
    85,091.68x = 117,424.56 × 53,278.12
  4. Step 4: Simplify right side
    85,091.68x = 6,256,159,798.63
  5. Step 5: Solve for x
    x = 6,256,159,798.63/85,091.68
  6. Step 6: Final answer
    x = 73,522.58

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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.