Home / 107,043.19-147,719.61-59,299.63

Finding the Fourth Proportional to 107,043.19, 147,719.61 and 59,299.63

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Solution

The fourth proportional to 107,043.19, 147,719.61 and 59,299.63 is: 81,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,043.19 : 147,719.61 = 59,299.63 : x
  2. Step 2: Convert to fraction form
    107,043.19/147,719.61 = 59,299.63/x
  3. Step 3: Cross multiply
    107,043.19x = 147,719.61 × 59,299.63
  4. Step 4: Simplify right side
    107,043.19x = 8,759,718,216.74
  5. Step 5: Solve for x
    x = 8,759,718,216.74/107,043.19
  6. Step 6: Final answer
    x = 81,833.49

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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.