Home / 105,148.82-145,103.45-59,825.81

Finding the Fourth Proportional to 105,148.82, 145,103.45 and 59,825.81

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Solution

The fourth proportional to 105,148.82, 145,103.45 and 59,825.81 is: 82,558.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,148.82 : 145,103.45 = 59,825.81 : x
  2. Step 2: Convert to fraction form
    105,148.82/145,103.45 = 59,825.81/x
  3. Step 3: Cross multiply
    105,148.82x = 145,103.45 × 59,825.81
  4. Step 4: Simplify right side
    105,148.82x = 8,680,930,405.40
  5. Step 5: Solve for x
    x = 8,680,930,405.40/105,148.82
  6. Step 6: Final answer
    x = 82,558.52

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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.