Home / 85,228.13-127,860.65-32,637.62

Finding the Fourth Proportional to 85,228.13, 127,860.65 and 32,637.62

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Solution

The fourth proportional to 85,228.13, 127,860.65 and 32,637.62 is: 48,963.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,228.13 : 127,860.65 = 32,637.62 : x
  2. Step 2: Convert to fraction form
    85,228.13/127,860.65 = 32,637.62/x
  3. Step 3: Cross multiply
    85,228.13x = 127,860.65 × 32,637.62
  4. Step 4: Simplify right side
    85,228.13x = 4,173,066,505.16
  5. Step 5: Solve for x
    x = 4,173,066,505.16/85,228.13
  6. Step 6: Final answer
    x = 48,963.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.