Home / 85,284.36-127,927.20-32,681.28

Finding the Fourth Proportional to 85,284.36, 127,927.20 and 32,681.28

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Solution

The fourth proportional to 85,284.36, 127,927.20 and 32,681.28 is: 49,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,284.36 : 127,927.20 = 32,681.28 : x
  2. Step 2: Convert to fraction form
    85,284.36/127,927.20 = 32,681.28/x
  3. Step 3: Cross multiply
    85,284.36x = 127,927.20 × 32,681.28
  4. Step 4: Simplify right side
    85,284.36x = 4,180,824,642.82
  5. Step 5: Solve for x
    x = 4,180,824,642.82/85,284.36
  6. Step 6: Final answer
    x = 49,022.17

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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.