Home / 124,575.12-186,751.57-45,670.95

Finding the Fourth Proportional to 124,575.12, 186,751.57 and 45,670.95

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Solution

The fourth proportional to 124,575.12, 186,751.57 and 45,670.95 is: 68,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,575.12 : 186,751.57 = 45,670.95 : x
  2. Step 2: Convert to fraction form
    124,575.12/186,751.57 = 45,670.95/x
  3. Step 3: Cross multiply
    124,575.12x = 186,751.57 × 45,670.95
  4. Step 4: Simplify right side
    124,575.12x = 8,529,121,615.89
  5. Step 5: Solve for x
    x = 8,529,121,615.89/124,575.12
  6. Step 6: Final answer
    x = 68,465.69

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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.