Home / 85,161.02-117,433.13-63,617.00

Finding the Fourth Proportional to 85,161.02, 117,433.13 and 63,617.00

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Solution

The fourth proportional to 85,161.02, 117,433.13 and 63,617.00 is: 87,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,161.02 : 117,433.13 = 63,617.00 : x
  2. Step 2: Convert to fraction form
    85,161.02/117,433.13 = 63,617.00/x
  3. Step 3: Cross multiply
    85,161.02x = 117,433.13 × 63,617.00
  4. Step 4: Simplify right side
    85,161.02x = 7,470,742,525.96
  5. Step 5: Solve for x
    x = 7,470,742,525.96/85,161.02
  6. Step 6: Final answer
    x = 87,724.91

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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.