Home / 105,218.73-145,195.88-59,907.74

Finding the Fourth Proportional to 105,218.73, 145,195.88 and 59,907.74

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Solution

The fourth proportional to 105,218.73, 145,195.88 and 59,907.74 is: 82,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,218.73 : 145,195.88 = 59,907.74 : x
  2. Step 2: Convert to fraction form
    105,218.73/145,195.88 = 59,907.74/x
  3. Step 3: Cross multiply
    105,218.73x = 145,195.88 × 59,907.74
  4. Step 4: Simplify right side
    105,218.73x = 8,698,356,002.59
  5. Step 5: Solve for x
    x = 8,698,356,002.59/105,218.73
  6. Step 6: Final answer
    x = 82,669.27

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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.