Home / 90,374.04-124,712.75-50,088.49

Finding the Fourth Proportional to 90,374.04, 124,712.75 and 50,088.49

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Solution

The fourth proportional to 90,374.04, 124,712.75 and 50,088.49 is: 69,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.04 : 124,712.75 = 50,088.49 : x
  2. Step 2: Convert to fraction form
    90,374.04/124,712.75 = 50,088.49/x
  3. Step 3: Cross multiply
    90,374.04x = 124,712.75 × 50,088.49
  4. Step 4: Simplify right side
    90,374.04x = 6,246,673,144.69
  5. Step 5: Solve for x
    x = 6,246,673,144.69/90,374.04
  6. Step 6: Final answer
    x = 69,120.22

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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.