Home / 61,707.15-85,156.20-33,412.82

Finding the Fourth Proportional to 61,707.15, 85,156.20 and 33,412.82

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Solution

The fourth proportional to 61,707.15, 85,156.20 and 33,412.82 is: 46,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,707.15 : 85,156.20 = 33,412.82 : x
  2. Step 2: Convert to fraction form
    61,707.15/85,156.20 = 33,412.82/x
  3. Step 3: Cross multiply
    61,707.15x = 85,156.20 × 33,412.82
  4. Step 4: Simplify right side
    61,707.15x = 2,845,308,356.70
  5. Step 5: Solve for x
    x = 2,845,308,356.70/61,707.15
  6. Step 6: Final answer
    x = 46,109.87

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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.