Home / 93,279.28-128,724.60-50,837.80

Finding the Fourth Proportional to 93,279.28, 128,724.60 and 50,837.80

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Solution

The fourth proportional to 93,279.28, 128,724.60 and 50,837.80 is: 70,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,279.28 : 128,724.60 = 50,837.80 : x
  2. Step 2: Convert to fraction form
    93,279.28/128,724.60 = 50,837.80/x
  3. Step 3: Cross multiply
    93,279.28x = 128,724.60 × 50,837.80
  4. Step 4: Simplify right side
    93,279.28x = 6,544,075,469.88
  5. Step 5: Solve for x
    x = 6,544,075,469.88/93,279.28
  6. Step 6: Final answer
    x = 70,155.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.