Home / 91,071.08-125,678.22-50,234.30

Finding the Fourth Proportional to 91,071.08, 125,678.22 and 50,234.30

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Solution

The fourth proportional to 91,071.08, 125,678.22 and 50,234.30 is: 69,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071.08 : 125,678.22 = 50,234.30 : x
  2. Step 2: Convert to fraction form
    91,071.08/125,678.22 = 50,234.30/x
  3. Step 3: Cross multiply
    91,071.08x = 125,678.22 × 50,234.30
  4. Step 4: Simplify right side
    91,071.08x = 6,313,357,388.16
  5. Step 5: Solve for x
    x = 6,313,357,388.16/91,071.08
  6. Step 6: Final answer
    x = 69,323.40

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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.