Home / 90,501.06-124,889.86-50,214.12

Finding the Fourth Proportional to 90,501.06, 124,889.86 and 50,214.12

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Solution

The fourth proportional to 90,501.06, 124,889.86 and 50,214.12 is: 69,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,501.06 : 124,889.86 = 50,214.12 : x
  2. Step 2: Convert to fraction form
    90,501.06/124,889.86 = 50,214.12/x
  3. Step 3: Cross multiply
    90,501.06x = 124,889.86 × 50,214.12
  4. Step 4: Simplify right side
    90,501.06x = 6,271,234,165.75
  5. Step 5: Solve for x
    x = 6,271,234,165.75/90,501.06
  6. Step 6: Final answer
    x = 69,294.59

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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.