Home / 90,416.23-124,769.40-50,127.64

Finding the Fourth Proportional to 90,416.23, 124,769.40 and 50,127.64

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Solution

The fourth proportional to 90,416.23, 124,769.40 and 50,127.64 is: 69,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,416.23 : 124,769.40 = 50,127.64 : x
  2. Step 2: Convert to fraction form
    90,416.23/124,769.40 = 50,127.64/x
  3. Step 3: Cross multiply
    90,416.23x = 124,769.40 × 50,127.64
  4. Step 4: Simplify right side
    90,416.23x = 6,254,395,566.22
  5. Step 5: Solve for x
    x = 6,254,395,566.22/90,416.23
  6. Step 6: Final answer
    x = 69,173.37

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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.