Home / 85,459.02-117,927.38-47,218.15

Finding the Fourth Proportional to 85,459.02, 117,927.38 and 47,218.15

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Solution

The fourth proportional to 85,459.02, 117,927.38 and 47,218.15 is: 65,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,459.02 : 117,927.38 = 47,218.15 : x
  2. Step 2: Convert to fraction form
    85,459.02/117,927.38 = 47,218.15/x
  3. Step 3: Cross multiply
    85,459.02x = 117,927.38 × 47,218.15
  4. Step 4: Simplify right side
    85,459.02x = 5,568,312,983.40
  5. Step 5: Solve for x
    x = 5,568,312,983.40/85,459.02
  6. Step 6: Final answer
    x = 65,157.70

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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.