Home / 109,023.02-150,511.47-66,010.22

Finding the Fourth Proportional to 109,023.02, 150,511.47 and 66,010.22

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Solution

The fourth proportional to 109,023.02, 150,511.47 and 66,010.22 is: 91,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,023.02 : 150,511.47 = 66,010.22 : x
  2. Step 2: Convert to fraction form
    109,023.02/150,511.47 = 66,010.22/x
  3. Step 3: Cross multiply
    109,023.02x = 150,511.47 × 66,010.22
  4. Step 4: Simplify right side
    109,023.02x = 9,935,295,247.22
  5. Step 5: Solve for x
    x = 9,935,295,247.22/109,023.02
  6. Step 6: Final answer
    x = 91,130.25

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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.