Home / 74,555.52-102,886.56-42,722.88

Finding the Fourth Proportional to 74,555.52, 102,886.56 and 42,722.88

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Solution

The fourth proportional to 74,555.52, 102,886.56 and 42,722.88 is: 58,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,555.52 : 102,886.56 = 42,722.88 : x
  2. Step 2: Convert to fraction form
    74,555.52/102,886.56 = 42,722.88/x
  3. Step 3: Cross multiply
    74,555.52x = 102,886.56 × 42,722.88
  4. Step 4: Simplify right side
    74,555.52x = 4,395,610,156.49
  5. Step 5: Solve for x
    x = 4,395,610,156.49/74,555.52
  6. Step 6: Final answer
    x = 58,957.54

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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.