Home / 90,210.08-124,491.04-49,923.74

Finding the Fourth Proportional to 90,210.08, 124,491.04 and 49,923.74

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Solution

The fourth proportional to 90,210.08, 124,491.04 and 49,923.74 is: 68,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,210.08 : 124,491.04 = 49,923.74 : x
  2. Step 2: Convert to fraction form
    90,210.08/124,491.04 = 49,923.74/x
  3. Step 3: Cross multiply
    90,210.08x = 124,491.04 × 49,923.74
  4. Step 4: Simplify right side
    90,210.08x = 6,215,058,313.29
  5. Step 5: Solve for x
    x = 6,215,058,313.29/90,210.08
  6. Step 6: Final answer
    x = 68,895.39

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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.