Home / 64,071.47-88,460.20-57,345.44

Finding the Fourth Proportional to 64,071.47, 88,460.20 and 57,345.44

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Solution

The fourth proportional to 64,071.47, 88,460.20 and 57,345.44 is: 79,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,071.47 : 88,460.20 = 57,345.44 : x
  2. Step 2: Convert to fraction form
    64,071.47/88,460.20 = 57,345.44/x
  3. Step 3: Cross multiply
    64,071.47x = 88,460.20 × 57,345.44
  4. Step 4: Simplify right side
    64,071.47x = 5,072,788,720.87
  5. Step 5: Solve for x
    x = 5,072,788,720.87/64,071.47
  6. Step 6: Final answer
    x = 79,173.91

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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.