Home / 112,415.22-155,131.65-62,113.14

Finding the Fourth Proportional to 112,415.22, 155,131.65 and 62,113.14

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Solution

The fourth proportional to 112,415.22, 155,131.65 and 62,113.14 is: 85,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,415.22 : 155,131.65 = 62,113.14 : x
  2. Step 2: Convert to fraction form
    112,415.22/155,131.65 = 62,113.14/x
  3. Step 3: Cross multiply
    112,415.22x = 155,131.65 × 62,113.14
  4. Step 4: Simplify right side
    112,415.22x = 9,635,713,894.88
  5. Step 5: Solve for x
    x = 9,635,713,894.88/112,415.22
  6. Step 6: Final answer
    x = 85,715.39

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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.