Home / 64,080.54-88,342.14-55,222.38

Finding the Fourth Proportional to 64,080.54, 88,342.14 and 55,222.38

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Solution

The fourth proportional to 64,080.54, 88,342.14 and 55,222.38 is: 76,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,080.54 : 88,342.14 = 55,222.38 : x
  2. Step 2: Convert to fraction form
    64,080.54/88,342.14 = 55,222.38/x
  3. Step 3: Cross multiply
    64,080.54x = 88,342.14 × 55,222.38
  4. Step 4: Simplify right side
    64,080.54x = 4,878,463,225.09
  5. Step 5: Solve for x
    x = 4,878,463,225.09/64,080.54
  6. Step 6: Final answer
    x = 76,130.18

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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.