Home / 83,003.04-124,629.98-66,313.53

Finding the Fourth Proportional to 83,003.04, 124,629.98 and 66,313.53

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Solution

The fourth proportional to 83,003.04, 124,629.98 and 66,313.53 is: 99,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,003.04 : 124,629.98 = 66,313.53 : x
  2. Step 2: Convert to fraction form
    83,003.04/124,629.98 = 66,313.53/x
  3. Step 3: Cross multiply
    83,003.04x = 124,629.98 × 66,313.53
  4. Step 4: Simplify right side
    83,003.04x = 8,264,653,917.63
  5. Step 5: Solve for x
    x = 8,264,653,917.63/83,003.04
  6. Step 6: Final answer
    x = 99,570.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.