Home / 52,057.08-78,117.73-20,461.59

Finding the Fourth Proportional to 52,057.08, 78,117.73 and 20,461.59

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Solution

The fourth proportional to 52,057.08, 78,117.73 and 20,461.59 is: 30,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,057.08 : 78,117.73 = 20,461.59 : x
  2. Step 2: Convert to fraction form
    52,057.08/78,117.73 = 20,461.59/x
  3. Step 3: Cross multiply
    52,057.08x = 78,117.73 × 20,461.59
  4. Step 4: Simplify right side
    52,057.08x = 1,598,412,962.99
  5. Step 5: Solve for x
    x = 1,598,412,962.99/52,057.08
  6. Step 6: Final answer
    x = 30,705.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.