Home / 64,129.14-88,522.89-57,402.90

Finding the Fourth Proportional to 64,129.14, 88,522.89 and 57,402.90

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Solution

The fourth proportional to 64,129.14, 88,522.89 and 57,402.90 is: 79,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129.14 : 88,522.89 = 57,402.90 : x
  2. Step 2: Convert to fraction form
    64,129.14/88,522.89 = 57,402.90/x
  3. Step 3: Cross multiply
    64,129.14x = 88,522.89 × 57,402.90
  4. Step 4: Simplify right side
    64,129.14x = 5,081,470,602.38
  5. Step 5: Solve for x
    x = 5,081,470,602.38/64,129.14
  6. Step 6: Final answer
    x = 79,238.09

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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.