Home / 76,984.89-106,248.38-46,775.13

Finding the Fourth Proportional to 76,984.89, 106,248.38 and 46,775.13

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Solution

The fourth proportional to 76,984.89, 106,248.38 and 46,775.13 is: 64,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,984.89 : 106,248.38 = 46,775.13 : x
  2. Step 2: Convert to fraction form
    76,984.89/106,248.38 = 46,775.13/x
  3. Step 3: Cross multiply
    76,984.89x = 106,248.38 × 46,775.13
  4. Step 4: Simplify right side
    76,984.89x = 4,969,781,552.91
  5. Step 5: Solve for x
    x = 4,969,781,552.91/76,984.89
  6. Step 6: Final answer
    x = 64,555.29

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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.