Home / 105,539.17-145,641.23-60,216.32

Finding the Fourth Proportional to 105,539.17, 145,641.23 and 60,216.32

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Solution

The fourth proportional to 105,539.17, 145,641.23 and 60,216.32 is: 83,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,539.17 : 145,641.23 = 60,216.32 : x
  2. Step 2: Convert to fraction form
    105,539.17/145,641.23 = 60,216.32/x
  3. Step 3: Cross multiply
    105,539.17x = 145,641.23 × 60,216.32
  4. Step 4: Simplify right side
    105,539.17x = 8,769,978,910.87
  5. Step 5: Solve for x
    x = 8,769,978,910.87/105,539.17
  6. Step 6: Final answer
    x = 83,096.91

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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.