Home / 103,966.08-143,473.02-58,643.93

Finding the Fourth Proportional to 103,966.08, 143,473.02 and 58,643.93

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Solution

The fourth proportional to 103,966.08, 143,473.02 and 58,643.93 is: 80,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,966.08 : 143,473.02 = 58,643.93 : x
  2. Step 2: Convert to fraction form
    103,966.08/143,473.02 = 58,643.93/x
  3. Step 3: Cross multiply
    103,966.08x = 143,473.02 × 58,643.93
  4. Step 4: Simplify right side
    103,966.08x = 8,413,821,741.77
  5. Step 5: Solve for x
    x = 8,413,821,741.77/103,966.08
  6. Step 6: Final answer
    x = 80,928.53

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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.