Home / 64,740.59-89,342.16-36,060.02

Finding the Fourth Proportional to 64,740.59, 89,342.16 and 36,060.02

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Solution

The fourth proportional to 64,740.59, 89,342.16 and 36,060.02 is: 49,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,740.59 : 89,342.16 = 36,060.02 : x
  2. Step 2: Convert to fraction form
    64,740.59/89,342.16 = 36,060.02/x
  3. Step 3: Cross multiply
    64,740.59x = 89,342.16 × 36,060.02
  4. Step 4: Simplify right side
    64,740.59x = 3,221,680,076.44
  5. Step 5: Solve for x
    x = 3,221,680,076.44/64,740.59
  6. Step 6: Final answer
    x = 49,762.91

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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.