Home / 85,460.16-128,206.44-35,513.14

Finding the Fourth Proportional to 85,460.16, 128,206.44 and 35,513.14

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Solution

The fourth proportional to 85,460.16, 128,206.44 and 35,513.14 is: 53,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,460.16 : 128,206.44 = 35,513.14 : x
  2. Step 2: Convert to fraction form
    85,460.16/128,206.44 = 35,513.14/x
  3. Step 3: Cross multiply
    85,460.16x = 128,206.44 × 35,513.14
  4. Step 4: Simplify right side
    85,460.16x = 4,553,013,252.62
  5. Step 5: Solve for x
    x = 4,553,013,252.62/85,460.16
  6. Step 6: Final answer
    x = 53,276.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.