Home / 112,750.83-155,595.33-61,763.22

Finding the Fourth Proportional to 112,750.83, 155,595.33 and 61,763.22

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Solution

The fourth proportional to 112,750.83, 155,595.33 and 61,763.22 is: 85,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,750.83 : 155,595.33 = 61,763.22 : x
  2. Step 2: Convert to fraction form
    112,750.83/155,595.33 = 61,763.22/x
  3. Step 3: Cross multiply
    112,750.83x = 155,595.33 × 61,763.22
  4. Step 4: Simplify right side
    112,750.83x = 9,610,068,597.76
  5. Step 5: Solve for x
    x = 9,610,068,597.76/112,750.83
  6. Step 6: Final answer
    x = 85,232.80

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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.