Home / 81,632.30-122,331.63-46,499.36

Finding the Fourth Proportional to 81,632.30, 122,331.63 and 46,499.36

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Solution

The fourth proportional to 81,632.30, 122,331.63 and 46,499.36 is: 69,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,632.30 : 122,331.63 = 46,499.36 : x
  2. Step 2: Convert to fraction form
    81,632.30/122,331.63 = 46,499.36/x
  3. Step 3: Cross multiply
    81,632.30x = 122,331.63 × 46,499.36
  4. Step 4: Simplify right side
    81,632.30x = 5,688,342,502.76
  5. Step 5: Solve for x
    x = 5,688,342,502.76/81,632.30
  6. Step 6: Final answer
    x = 69,682.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.