Home / 112,010.30-154,563.95-66,699.30

Finding the Fourth Proportional to 112,010.30, 154,563.95 and 66,699.30

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Solution

The fourth proportional to 112,010.30, 154,563.95 and 66,699.30 is: 92,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010.30 : 154,563.95 = 66,699.30 : x
  2. Step 2: Convert to fraction form
    112,010.30/154,563.95 = 66,699.30/x
  3. Step 3: Cross multiply
    112,010.30x = 154,563.95 × 66,699.30
  4. Step 4: Simplify right side
    112,010.30x = 10,309,306,936.74
  5. Step 5: Solve for x
    x = 10,309,306,936.74/112,010.30
  6. Step 6: Final answer
    x = 92,038.92

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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.