Home / 85,322.54-127,929-35,437.04

Finding the Fourth Proportional to 85,322.54, 127,929 and 35,437.04

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Solution

The fourth proportional to 85,322.54, 127,929 and 35,437.04 is: 53,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,322.54 : 127,929 = 35,437.04 : x
  2. Step 2: Convert to fraction form
    85,322.54/127,929 = 35,437.04/x
  3. Step 3: Cross multiply
    85,322.54x = 127,929 × 35,437.04
  4. Step 4: Simplify right side
    85,322.54x = 4,533,425,090.16
  5. Step 5: Solve for x
    x = 4,533,425,090.16/85,322.54
  6. Step 6: Final answer
    x = 53,132.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.