Home / 64,774.14-89,388.41-37,921.92

Finding the Fourth Proportional to 64,774.14, 89,388.41 and 37,921.92

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Solution

The fourth proportional to 64,774.14, 89,388.41 and 37,921.92 is: 52,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,774.14 : 89,388.41 = 37,921.92 : x
  2. Step 2: Convert to fraction form
    64,774.14/89,388.41 = 37,921.92/x
  3. Step 3: Cross multiply
    64,774.14x = 89,388.41 × 37,921.92
  4. Step 4: Simplify right side
    64,774.14x = 3,389,779,943.34
  5. Step 5: Solve for x
    x = 3,389,779,943.34/64,774.14
  6. Step 6: Final answer
    x = 52,332.30

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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.