Home / 90,056.44-135,084.65-33,909.13

Finding the Fourth Proportional to 90,056.44, 135,084.65 and 33,909.13

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Solution

The fourth proportional to 90,056.44, 135,084.65 and 33,909.13 is: 50,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,056.44 : 135,084.65 = 33,909.13 : x
  2. Step 2: Convert to fraction form
    90,056.44/135,084.65 = 33,909.13/x
  3. Step 3: Cross multiply
    90,056.44x = 135,084.65 × 33,909.13
  4. Step 4: Simplify right side
    90,056.44x = 4,580,602,957.16
  5. Step 5: Solve for x
    x = 4,580,602,957.16/90,056.44
  6. Step 6: Final answer
    x = 50,863.69

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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.