Home / 90,521.04-124,920.44-50,237.40

Finding the Fourth Proportional to 90,521.04, 124,920.44 and 50,237.40

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Solution

The fourth proportional to 90,521.04, 124,920.44 and 50,237.40 is: 69,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,521.04 : 124,920.44 = 50,237.40 : x
  2. Step 2: Convert to fraction form
    90,521.04/124,920.44 = 50,237.40/x
  3. Step 3: Cross multiply
    90,521.04x = 124,920.44 × 50,237.40
  4. Step 4: Simplify right side
    90,521.04x = 6,275,678,112.46
  5. Step 5: Solve for x
    x = 6,275,678,112.46/90,521.04
  6. Step 6: Final answer
    x = 69,328.39

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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.