Home / 105,201.76-145,159.18-59,877.06

Finding the Fourth Proportional to 105,201.76, 145,159.18 and 59,877.06

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Solution

The fourth proportional to 105,201.76, 145,159.18 and 59,877.06 is: 82,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,201.76 : 145,159.18 = 59,877.06 : x
  2. Step 2: Convert to fraction form
    105,201.76/145,159.18 = 59,877.06/x
  3. Step 3: Cross multiply
    105,201.76x = 145,159.18 × 59,877.06
  4. Step 4: Simplify right side
    105,201.76x = 8,691,704,930.41
  5. Step 5: Solve for x
    x = 8,691,704,930.41/105,201.76
  6. Step 6: Final answer
    x = 82,619.39

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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.