Home / 74,811.88-112,155.72-30,459.52

Finding the Fourth Proportional to 74,811.88, 112,155.72 and 30,459.52

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Solution

The fourth proportional to 74,811.88, 112,155.72 and 30,459.52 is: 45,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,811.88 : 112,155.72 = 30,459.52 : x
  2. Step 2: Convert to fraction form
    74,811.88/112,155.72 = 30,459.52/x
  3. Step 3: Cross multiply
    74,811.88x = 112,155.72 × 30,459.52
  4. Step 4: Simplify right side
    74,811.88x = 3,416,209,396.45
  5. Step 5: Solve for x
    x = 3,416,209,396.45/74,811.88
  6. Step 6: Final answer
    x = 45,664.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.