Home / 64,625.14-89,250.68-57,580.70

Finding the Fourth Proportional to 64,625.14, 89,250.68 and 57,580.70

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Solution

The fourth proportional to 64,625.14, 89,250.68 and 57,580.70 is: 79,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,625.14 : 89,250.68 = 57,580.70 : x
  2. Step 2: Convert to fraction form
    64,625.14/89,250.68 = 57,580.70/x
  3. Step 3: Cross multiply
    64,625.14x = 89,250.68 × 57,580.70
  4. Step 4: Simplify right side
    64,625.14x = 5,139,116,341.97
  5. Step 5: Solve for x
    x = 5,139,116,341.97/64,625.14
  6. Step 6: Final answer
    x = 79,521.94

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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.