Home / 53,699.98-80,427.30-25,639.76

Finding the Fourth Proportional to 53,699.98, 80,427.30 and 25,639.76

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Solution

The fourth proportional to 53,699.98, 80,427.30 and 25,639.76 is: 38,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,699.98 : 80,427.30 = 25,639.76 : x
  2. Step 2: Convert to fraction form
    53,699.98/80,427.30 = 25,639.76/x
  3. Step 3: Cross multiply
    53,699.98x = 80,427.30 × 25,639.76
  4. Step 4: Simplify right side
    53,699.98x = 2,062,136,669.45
  5. Step 5: Solve for x
    x = 2,062,136,669.45/53,699.98
  6. Step 6: Final answer
    x = 38,401.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.