Home / 64,680.14-89,225.93-37,805.09

Finding the Fourth Proportional to 64,680.14, 89,225.93 and 37,805.09

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Solution

The fourth proportional to 64,680.14, 89,225.93 and 37,805.09 is: 52,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,680.14 : 89,225.93 = 37,805.09 : x
  2. Step 2: Convert to fraction form
    64,680.14/89,225.93 = 37,805.09/x
  3. Step 3: Cross multiply
    64,680.14x = 89,225.93 × 37,805.09
  4. Step 4: Simplify right side
    64,680.14x = 3,373,193,678.83
  5. Step 5: Solve for x
    x = 3,373,193,678.83/64,680.14
  6. Step 6: Final answer
    x = 52,151.93

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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.