Home / 98,455.02-135,871.05-56,016.28

Finding the Fourth Proportional to 98,455.02, 135,871.05 and 56,016.28

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Solution

The fourth proportional to 98,455.02, 135,871.05 and 56,016.28 is: 77,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,455.02 : 135,871.05 = 56,016.28 : x
  2. Step 2: Convert to fraction form
    98,455.02/135,871.05 = 56,016.28/x
  3. Step 3: Cross multiply
    98,455.02x = 135,871.05 × 56,016.28
  4. Step 4: Simplify right side
    98,455.02x = 7,610,990,780.69
  5. Step 5: Solve for x
    x = 7,610,990,780.69/98,455.02
  6. Step 6: Final answer
    x = 77,304.24

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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.