Home / 91,579.16-137,368.74-50,003.48

Finding the Fourth Proportional to 91,579.16, 137,368.74 and 50,003.48

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Solution

The fourth proportional to 91,579.16, 137,368.74 and 50,003.48 is: 75,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,579.16 : 137,368.74 = 50,003.48 : x
  2. Step 2: Convert to fraction form
    91,579.16/137,368.74 = 50,003.48/x
  3. Step 3: Cross multiply
    91,579.16x = 137,368.74 × 50,003.48
  4. Step 4: Simplify right side
    91,579.16x = 6,868,915,043.22
  5. Step 5: Solve for x
    x = 6,868,915,043.22/91,579.16
  6. Step 6: Final answer
    x = 75,005.22

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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.