Home / 64,072.47-88,461.58-57,346.44

Finding the Fourth Proportional to 64,072.47, 88,461.58 and 57,346.44

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Solution

The fourth proportional to 64,072.47, 88,461.58 and 57,346.44 is: 79,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,072.47 : 88,461.58 = 57,346.44 : x
  2. Step 2: Convert to fraction form
    64,072.47/88,461.58 = 57,346.44/x
  3. Step 3: Cross multiply
    64,072.47x = 88,461.58 × 57,346.44
  4. Step 4: Simplify right side
    64,072.47x = 5,072,956,689.78
  5. Step 5: Solve for x
    x = 5,072,956,689.78/64,072.47
  6. Step 6: Final answer
    x = 79,175.29

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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.