Home / 113,820.02-157,070.78-62,832.78

Finding the Fourth Proportional to 113,820.02, 157,070.78 and 62,832.78

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Solution

The fourth proportional to 113,820.02, 157,070.78 and 62,832.78 is: 86,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.02 : 157,070.78 = 62,832.78 : x
  2. Step 2: Convert to fraction form
    113,820.02/157,070.78 = 62,832.78/x
  3. Step 3: Cross multiply
    113,820.02x = 157,070.78 × 62,832.78
  4. Step 4: Simplify right side
    113,820.02x = 9,869,193,764.17
  5. Step 5: Solve for x
    x = 9,869,193,764.17/113,820.02
  6. Step 6: Final answer
    x = 86,708.77

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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.