Home / 105,037.52-157,475.51-54,382.25

Finding the Fourth Proportional to 105,037.52, 157,475.51 and 54,382.25

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Solution

The fourth proportional to 105,037.52, 157,475.51 and 54,382.25 is: 81,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,037.52 : 157,475.51 = 54,382.25 : x
  2. Step 2: Convert to fraction form
    105,037.52/157,475.51 = 54,382.25/x
  3. Step 3: Cross multiply
    105,037.52x = 157,475.51 × 54,382.25
  4. Step 4: Simplify right side
    105,037.52x = 8,563,871,494.41
  5. Step 5: Solve for x
    x = 8,563,871,494.41/105,037.52
  6. Step 6: Final answer
    x = 81,531.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.