Home / 63,071.11-87,038.81-34,390.54

Finding the Fourth Proportional to 63,071.11, 87,038.81 and 34,390.54

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Solution

The fourth proportional to 63,071.11, 87,038.81 and 34,390.54 is: 47,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,071.11 : 87,038.81 = 34,390.54 : x
  2. Step 2: Convert to fraction form
    63,071.11/87,038.81 = 34,390.54/x
  3. Step 3: Cross multiply
    63,071.11x = 87,038.81 × 34,390.54
  4. Step 4: Simplify right side
    63,071.11x = 2,993,311,545.24
  5. Step 5: Solve for x
    x = 2,993,311,545.24/63,071.11
  6. Step 6: Final answer
    x = 47,459.31

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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.