Home / 90,810.17-125,247.03-58,989.32

Finding the Fourth Proportional to 90,810.17, 125,247.03 and 58,989.32

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Solution

The fourth proportional to 90,810.17, 125,247.03 and 58,989.32 is: 81,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,810.17 : 125,247.03 = 58,989.32 : x
  2. Step 2: Convert to fraction form
    90,810.17/125,247.03 = 58,989.32/x
  3. Step 3: Cross multiply
    90,810.17x = 125,247.03 × 58,989.32
  4. Step 4: Simplify right side
    90,810.17x = 7,388,237,131.72
  5. Step 5: Solve for x
    x = 7,388,237,131.72/90,810.17
  6. Step 6: Final answer
    x = 81,359.14

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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.