Home / 65,875.21-98,619.02-40,834.87

Finding the Fourth Proportional to 65,875.21, 98,619.02 and 40,834.87

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Solution

The fourth proportional to 65,875.21, 98,619.02 and 40,834.87 is: 61,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,875.21 : 98,619.02 = 40,834.87 : x
  2. Step 2: Convert to fraction form
    65,875.21/98,619.02 = 40,834.87/x
  3. Step 3: Cross multiply
    65,875.21x = 98,619.02 × 40,834.87
  4. Step 4: Simplify right side
    65,875.21x = 4,027,094,163.96
  5. Step 5: Solve for x
    x = 4,027,094,163.96/65,875.21
  6. Step 6: Final answer
    x = 61,132.17

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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.