Home / 113,720.42-156,931.66-62,733.19

Finding the Fourth Proportional to 113,720.42, 156,931.66 and 62,733.19

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Solution

The fourth proportional to 113,720.42, 156,931.66 and 62,733.19 is: 86,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,720.42 : 156,931.66 = 62,733.19 : x
  2. Step 2: Convert to fraction form
    113,720.42/156,931.66 = 62,733.19/x
  3. Step 3: Cross multiply
    113,720.42x = 156,931.66 × 62,733.19
  4. Step 4: Simplify right side
    113,720.42x = 9,844,822,859.14
  5. Step 5: Solve for x
    x = 9,844,822,859.14/113,720.42
  6. Step 6: Final answer
    x = 86,570.41

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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.