Home / 85,127.63-117,419.84-53,241.17

Finding the Fourth Proportional to 85,127.63, 117,419.84 and 53,241.17

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Solution

The fourth proportional to 85,127.63, 117,419.84 and 53,241.17 is: 73,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,127.63 : 117,419.84 = 53,241.17 : x
  2. Step 2: Convert to fraction form
    85,127.63/117,419.84 = 53,241.17/x
  3. Step 3: Cross multiply
    85,127.63x = 117,419.84 × 53,241.17
  4. Step 4: Simplify right side
    85,127.63x = 6,251,569,009.16
  5. Step 5: Solve for x
    x = 6,251,569,009.16/85,127.63
  6. Step 6: Final answer
    x = 73,437.61

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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.