Home / 62,840.62-86,720.28-34,548.10

Finding the Fourth Proportional to 62,840.62, 86,720.28 and 34,548.10

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Solution

The fourth proportional to 62,840.62, 86,720.28 and 34,548.10 is: 47,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,840.62 : 86,720.28 = 34,548.10 : x
  2. Step 2: Convert to fraction form
    62,840.62/86,720.28 = 34,548.10/x
  3. Step 3: Cross multiply
    62,840.62x = 86,720.28 × 34,548.10
  4. Step 4: Simplify right side
    62,840.62x = 2,996,020,905.47
  5. Step 5: Solve for x
    x = 2,996,020,905.47/62,840.62
  6. Step 6: Final answer
    x = 47,676.50

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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.