Home / 115,953.46-160,012.94-64,968.32

Finding the Fourth Proportional to 115,953.46, 160,012.94 and 64,968.32

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Solution

The fourth proportional to 115,953.46, 160,012.94 and 64,968.32 is: 89,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,953.46 : 160,012.94 = 64,968.32 : x
  2. Step 2: Convert to fraction form
    115,953.46/160,012.94 = 64,968.32/x
  3. Step 3: Cross multiply
    115,953.46x = 160,012.94 × 64,968.32
  4. Step 4: Simplify right side
    115,953.46x = 10,395,771,890.06
  5. Step 5: Solve for x
    x = 10,395,771,890.06/115,953.46
  6. Step 6: Final answer
    x = 89,654.69

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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.