Home / 63,035.40-86,987.66-34,355.30

Finding the Fourth Proportional to 63,035.40, 86,987.66 and 34,355.30

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Solution

The fourth proportional to 63,035.40, 86,987.66 and 34,355.30 is: 47,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,035.40 : 86,987.66 = 34,355.30 : x
  2. Step 2: Convert to fraction form
    63,035.40/86,987.66 = 34,355.30/x
  3. Step 3: Cross multiply
    63,035.40x = 86,987.66 × 34,355.30
  4. Step 4: Simplify right side
    63,035.40x = 2,988,487,155.60
  5. Step 5: Solve for x
    x = 2,988,487,155.60/63,035.40
  6. Step 6: Final answer
    x = 47,409.66

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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.