Home / 85,409.22-117,862.71-47,168.01

Finding the Fourth Proportional to 85,409.22, 117,862.71 and 47,168.01

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Solution

The fourth proportional to 85,409.22, 117,862.71 and 47,168.01 is: 65,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,409.22 : 117,862.71 = 47,168.01 : x
  2. Step 2: Convert to fraction form
    85,409.22/117,862.71 = 47,168.01/x
  3. Step 3: Cross multiply
    85,409.22x = 117,862.71 × 47,168.01
  4. Step 4: Simplify right side
    85,409.22x = 5,559,349,572.35
  5. Step 5: Solve for x
    x = 5,559,349,572.35/85,409.22
  6. Step 6: Final answer
    x = 65,090.74

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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.