Home / 71,028.76-98,056.55-51,887.05

Finding the Fourth Proportional to 71,028.76, 98,056.55 and 51,887.05

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Solution

The fourth proportional to 71,028.76, 98,056.55 and 51,887.05 is: 71,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.76 : 98,056.55 = 51,887.05 : x
  2. Step 2: Convert to fraction form
    71,028.76/98,056.55 = 51,887.05/x
  3. Step 3: Cross multiply
    71,028.76x = 98,056.55 × 51,887.05
  4. Step 4: Simplify right side
    71,028.76x = 5,087,864,492.68
  5. Step 5: Solve for x
    x = 5,087,864,492.68/71,028.76
  6. Step 6: Final answer
    x = 71,631.05

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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.