Home / 90,056.58-135,036.27-63,812.58

Finding the Fourth Proportional to 90,056.58, 135,036.27 and 63,812.58

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Solution

The fourth proportional to 90,056.58, 135,036.27 and 63,812.58 is: 95,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,056.58 : 135,036.27 = 63,812.58 : x
  2. Step 2: Convert to fraction form
    90,056.58/135,036.27 = 63,812.58/x
  3. Step 3: Cross multiply
    90,056.58x = 135,036.27 × 63,812.58
  4. Step 4: Simplify right side
    90,056.58x = 8,617,012,782.28
  5. Step 5: Solve for x
    x = 8,617,012,782.28/90,056.58
  6. Step 6: Final answer
    x = 95,684.43

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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.