Home / 63,355.09-87,430.26-34,283.46

Finding the Fourth Proportional to 63,355.09, 87,430.26 and 34,283.46

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Solution

The fourth proportional to 63,355.09, 87,430.26 and 34,283.46 is: 47,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,355.09 : 87,430.26 = 34,283.46 : x
  2. Step 2: Convert to fraction form
    63,355.09/87,430.26 = 34,283.46/x
  3. Step 3: Cross multiply
    63,355.09x = 87,430.26 × 34,283.46
  4. Step 4: Simplify right side
    63,355.09x = 2,997,411,821.50
  5. Step 5: Solve for x
    x = 2,997,411,821.50/63,355.09
  6. Step 6: Final answer
    x = 47,311.30

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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.