Home / 76,913.66-106,188.90-58,974.18

Finding the Fourth Proportional to 76,913.66, 106,188.90 and 58,974.18

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Solution

The fourth proportional to 76,913.66, 106,188.90 and 58,974.18 is: 81,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,913.66 : 106,188.90 = 58,974.18 : x
  2. Step 2: Convert to fraction form
    76,913.66/106,188.90 = 58,974.18/x
  3. Step 3: Cross multiply
    76,913.66x = 106,188.90 × 58,974.18
  4. Step 4: Simplify right side
    76,913.66x = 6,262,403,302.60
  5. Step 5: Solve for x
    x = 6,262,403,302.60/76,913.66
  6. Step 6: Final answer
    x = 81,421.21

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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.