Home / 105,558.16-145,634.08-60,203.54

Finding the Fourth Proportional to 105,558.16, 145,634.08 and 60,203.54

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Solution

The fourth proportional to 105,558.16, 145,634.08 and 60,203.54 is: 83,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,558.16 : 145,634.08 = 60,203.54 : x
  2. Step 2: Convert to fraction form
    105,558.16/145,634.08 = 60,203.54/x
  3. Step 3: Cross multiply
    105,558.16x = 145,634.08 × 60,203.54
  4. Step 4: Simplify right side
    105,558.16x = 8,767,686,131.46
  5. Step 5: Solve for x
    x = 8,767,686,131.46/105,558.16
  6. Step 6: Final answer
    x = 83,060.24

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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.