Home / 52,111.04-77,789.23-45,805.46

Finding the Fourth Proportional to 52,111.04, 77,789.23 and 45,805.46

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Solution

The fourth proportional to 52,111.04, 77,789.23 and 45,805.46 is: 68,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,111.04 : 77,789.23 = 45,805.46 : x
  2. Step 2: Convert to fraction form
    52,111.04/77,789.23 = 45,805.46/x
  3. Step 3: Cross multiply
    52,111.04x = 77,789.23 × 45,805.46
  4. Step 4: Simplify right side
    52,111.04x = 3,563,171,463.20
  5. Step 5: Solve for x
    x = 3,563,171,463.20/52,111.04
  6. Step 6: Final answer
    x = 68,376.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.