Home / 113,820.09-157,071.75-62,832.85

Finding the Fourth Proportional to 113,820.09, 157,071.75 and 62,832.85

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Solution

The fourth proportional to 113,820.09, 157,071.75 and 62,832.85 is: 86,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.09 : 157,071.75 = 62,832.85 : x
  2. Step 2: Convert to fraction form
    113,820.09/157,071.75 = 62,832.85/x
  3. Step 3: Cross multiply
    113,820.09x = 157,071.75 × 62,832.85
  4. Step 4: Simplify right side
    113,820.09x = 9,869,265,951.18
  5. Step 5: Solve for x
    x = 9,869,265,951.18/113,820.09
  6. Step 6: Final answer
    x = 86,709.35

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1.5x scale

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.