Home / 99,264.02-136,987.40-56,836.22

Finding the Fourth Proportional to 99,264.02, 136,987.40 and 56,836.22

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Solution

The fourth proportional to 99,264.02, 136,987.40 and 56,836.22 is: 78,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,264.02 : 136,987.40 = 56,836.22 : x
  2. Step 2: Convert to fraction form
    99,264.02/136,987.40 = 56,836.22/x
  3. Step 3: Cross multiply
    99,264.02x = 136,987.40 × 56,836.22
  4. Step 4: Simplify right side
    99,264.02x = 7,785,845,460.78
  5. Step 5: Solve for x
    x = 7,785,845,460.78/99,264.02
  6. Step 6: Final answer
    x = 78,435.73

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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.