Home / 105,541.02-145,660.44-60,208.56

Finding the Fourth Proportional to 105,541.02, 145,660.44 and 60,208.56

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Solution

The fourth proportional to 105,541.02, 145,660.44 and 60,208.56 is: 83,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,541.02 : 145,660.44 = 60,208.56 : x
  2. Step 2: Convert to fraction form
    105,541.02/145,660.44 = 60,208.56/x
  3. Step 3: Cross multiply
    105,541.02x = 145,660.44 × 60,208.56
  4. Step 4: Simplify right side
    105,541.02x = 8,770,005,341.37
  5. Step 5: Solve for x
    x = 8,770,005,341.37/105,541.02
  6. Step 6: Final answer
    x = 83,095.70

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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.