Home / 105,165.91-145,132.16-59,850.41

Finding the Fourth Proportional to 105,165.91, 145,132.16 and 59,850.41

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Solution

The fourth proportional to 105,165.91, 145,132.16 and 59,850.41 is: 82,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,165.91 : 145,132.16 = 59,850.41 : x
  2. Step 2: Convert to fraction form
    105,165.91/145,132.16 = 59,850.41/x
  3. Step 3: Cross multiply
    105,165.91x = 145,132.16 × 59,850.41
  4. Step 4: Simplify right side
    105,165.91x = 8,686,219,280.19
  5. Step 5: Solve for x
    x = 8,686,219,280.19/105,165.91
  6. Step 6: Final answer
    x = 82,595.39

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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.