Home / 90,349.13-124,678.44-52,110.28

Finding the Fourth Proportional to 90,349.13, 124,678.44 and 52,110.28

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Solution

The fourth proportional to 90,349.13, 124,678.44 and 52,110.28 is: 71,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,349.13 : 124,678.44 = 52,110.28 : x
  2. Step 2: Convert to fraction form
    90,349.13/124,678.44 = 52,110.28/x
  3. Step 3: Cross multiply
    90,349.13x = 124,678.44 × 52,110.28
  4. Step 4: Simplify right side
    90,349.13x = 6,497,028,574.21
  5. Step 5: Solve for x
    x = 6,497,028,574.21/90,349.13
  6. Step 6: Final answer
    x = 71,910.25

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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.