Home / 90,633.08-125,071.98-50,345.24

Finding the Fourth Proportional to 90,633.08, 125,071.98 and 50,345.24

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Solution

The fourth proportional to 90,633.08, 125,071.98 and 50,345.24 is: 69,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,633.08 : 125,071.98 = 50,345.24 : x
  2. Step 2: Convert to fraction form
    90,633.08/125,071.98 = 50,345.24/x
  3. Step 3: Cross multiply
    90,633.08x = 125,071.98 × 50,345.24
  4. Step 4: Simplify right side
    90,633.08x = 6,296,778,850.38
  5. Step 5: Solve for x
    x = 6,296,778,850.38/90,633.08
  6. Step 6: Final answer
    x = 69,475.50

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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.