Home / 90,371.04-124,712.32-50,085.48

Finding the Fourth Proportional to 90,371.04, 124,712.32 and 50,085.48

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Solution

The fourth proportional to 90,371.04, 124,712.32 and 50,085.48 is: 69,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,371.04 : 124,712.32 = 50,085.48 : x
  2. Step 2: Convert to fraction form
    90,371.04/124,712.32 = 50,085.48/x
  3. Step 3: Cross multiply
    90,371.04x = 124,712.32 × 50,085.48
  4. Step 4: Simplify right side
    90,371.04x = 6,246,276,409.11
  5. Step 5: Solve for x
    x = 6,246,276,409.11/90,371.04
  6. Step 6: Final answer
    x = 69,118.12

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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.