Home / 64,070.28-88,412.58-35,772.12

Finding the Fourth Proportional to 64,070.28, 88,412.58 and 35,772.12

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Solution

The fourth proportional to 64,070.28, 88,412.58 and 35,772.12 is: 49,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,070.28 : 88,412.58 = 35,772.12 : x
  2. Step 2: Convert to fraction form
    64,070.28/88,412.58 = 35,772.12/x
  3. Step 3: Cross multiply
    64,070.28x = 88,412.58 × 35,772.12
  4. Step 4: Simplify right side
    64,070.28x = 3,162,705,421.27
  5. Step 5: Solve for x
    x = 3,162,705,421.27/64,070.28
  6. Step 6: Final answer
    x = 49,363.07

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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.