Home / 90,570.08-124,981.83-50,281.25

Finding the Fourth Proportional to 90,570.08, 124,981.83 and 50,281.25

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Solution

The fourth proportional to 90,570.08, 124,981.83 and 50,281.25 is: 69,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,570.08 : 124,981.83 = 50,281.25 : x
  2. Step 2: Convert to fraction form
    90,570.08/124,981.83 = 50,281.25/x
  3. Step 3: Cross multiply
    90,570.08x = 124,981.83 × 50,281.25
  4. Step 4: Simplify right side
    90,570.08x = 6,284,242,507.71
  5. Step 5: Solve for x
    x = 6,284,242,507.71/90,570.08
  6. Step 6: Final answer
    x = 69,385.41

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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.