Home / 90,352.80-124,678.16-50,068.96

Finding the Fourth Proportional to 90,352.80, 124,678.16 and 50,068.96

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Solution

The fourth proportional to 90,352.80, 124,678.16 and 50,068.96 is: 69,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,352.80 : 124,678.16 = 50,068.96 : x
  2. Step 2: Convert to fraction form
    90,352.80/124,678.16 = 50,068.96/x
  3. Step 3: Cross multiply
    90,352.80x = 124,678.16 × 50,068.96
  4. Step 4: Simplify right side
    90,352.80x = 6,242,505,805.91
  5. Step 5: Solve for x
    x = 6,242,505,805.91/90,352.80
  6. Step 6: Final answer
    x = 69,090.34

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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.