Home / 88,837.02-133,139.85-79,422.30

Finding the Fourth Proportional to 88,837.02, 133,139.85 and 79,422.30

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Solution

The fourth proportional to 88,837.02, 133,139.85 and 79,422.30 is: 119,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,837.02 : 133,139.85 = 79,422.30 : x
  2. Step 2: Convert to fraction form
    88,837.02/133,139.85 = 79,422.30/x
  3. Step 3: Cross multiply
    88,837.02x = 133,139.85 × 79,422.30
  4. Step 4: Simplify right side
    88,837.02x = 10,574,273,108.66
  5. Step 5: Solve for x
    x = 10,574,273,108.66/88,837.02
  6. Step 6: Final answer
    x = 119,030.03

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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.