Home / 97,571.17-134,646.46-55,128.79

Finding the Fourth Proportional to 97,571.17, 134,646.46 and 55,128.79

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Solution

The fourth proportional to 97,571.17, 134,646.46 and 55,128.79 is: 76,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,571.17 : 134,646.46 = 55,128.79 : x
  2. Step 2: Convert to fraction form
    97,571.17/134,646.46 = 55,128.79/x
  3. Step 3: Cross multiply
    97,571.17x = 134,646.46 × 55,128.79
  4. Step 4: Simplify right side
    97,571.17x = 7,422,896,417.58
  5. Step 5: Solve for x
    x = 7,422,896,417.58/97,571.17
  6. Step 6: Final answer
    x = 76,076.74

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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.