Home / 76,110.60-105,032.48-42,576.60

Finding the Fourth Proportional to 76,110.60, 105,032.48 and 42,576.60

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Solution

The fourth proportional to 76,110.60, 105,032.48 and 42,576.60 is: 58,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,110.60 : 105,032.48 = 42,576.60 : x
  2. Step 2: Convert to fraction form
    76,110.60/105,032.48 = 42,576.60/x
  3. Step 3: Cross multiply
    76,110.60x = 105,032.48 × 42,576.60
  4. Step 4: Simplify right side
    76,110.60x = 4,471,925,887.97
  5. Step 5: Solve for x
    x = 4,471,925,887.97/76,110.60
  6. Step 6: Final answer
    x = 58,755.63

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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.