Home / 52,570.20-78,663.30-38,746.20

Finding the Fourth Proportional to 52,570.20, 78,663.30 and 38,746.20

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Solution

The fourth proportional to 52,570.20, 78,663.30 and 38,746.20 is: 57,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,570.20 : 78,663.30 = 38,746.20 : x
  2. Step 2: Convert to fraction form
    52,570.20/78,663.30 = 38,746.20/x
  3. Step 3: Cross multiply
    52,570.20x = 78,663.30 × 38,746.20
  4. Step 4: Simplify right side
    52,570.20x = 3,047,903,954.46
  5. Step 5: Solve for x
    x = 3,047,903,954.46/52,570.20
  6. Step 6: Final answer
    x = 57,977.79

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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.