Home / 103,663.04-143,062.22-58,345.36

Finding the Fourth Proportional to 103,663.04, 143,062.22 and 58,345.36

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Solution

The fourth proportional to 103,663.04, 143,062.22 and 58,345.36 is: 80,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,663.04 : 143,062.22 = 58,345.36 : x
  2. Step 2: Convert to fraction form
    103,663.04/143,062.22 = 58,345.36/x
  3. Step 3: Cross multiply
    103,663.04x = 143,062.22 × 58,345.36
  4. Step 4: Simplify right side
    103,663.04x = 8,347,016,728.30
  5. Step 5: Solve for x
    x = 8,347,016,728.30/103,663.04
  6. Step 6: Final answer
    x = 80,520.66

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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.