Home / 85,637.82-118,151.15-49,798.36

Finding the Fourth Proportional to 85,637.82, 118,151.15 and 49,798.36

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Solution

The fourth proportional to 85,637.82, 118,151.15 and 49,798.36 is: 68,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,637.82 : 118,151.15 = 49,798.36 : x
  2. Step 2: Convert to fraction form
    85,637.82/118,151.15 = 49,798.36/x
  3. Step 3: Cross multiply
    85,637.82x = 118,151.15 × 49,798.36
  4. Step 4: Simplify right side
    85,637.82x = 5,883,733,502.11
  5. Step 5: Solve for x
    x = 5,883,733,502.11/85,637.82
  6. Step 6: Final answer
    x = 68,704.85

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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.