Home / 81,794.05-112,875.11-45,984.22

Finding the Fourth Proportional to 81,794.05, 112,875.11 and 45,984.22

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Solution

The fourth proportional to 81,794.05, 112,875.11 and 45,984.22 is: 63,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,794.05 : 112,875.11 = 45,984.22 : x
  2. Step 2: Convert to fraction form
    81,794.05/112,875.11 = 45,984.22/x
  3. Step 3: Cross multiply
    81,794.05x = 112,875.11 × 45,984.22
  4. Step 4: Simplify right side
    81,794.05x = 5,190,473,890.76
  5. Step 5: Solve for x
    x = 5,190,473,890.76/81,794.05
  6. Step 6: Final answer
    x = 63,457.84

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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.