Home / 70,439.10-97,243.38-47,898.42

Finding the Fourth Proportional to 70,439.10, 97,243.38 and 47,898.42

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Solution

The fourth proportional to 70,439.10, 97,243.38 and 47,898.42 is: 66,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,439.10 : 97,243.38 = 47,898.42 : x
  2. Step 2: Convert to fraction form
    70,439.10/97,243.38 = 47,898.42/x
  3. Step 3: Cross multiply
    70,439.10x = 97,243.38 × 47,898.42
  4. Step 4: Simplify right side
    70,439.10x = 4,657,804,257.46
  5. Step 5: Solve for x
    x = 4,657,804,257.46/70,439.10
  6. Step 6: Final answer
    x = 66,125.27

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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.