Home / 103,916.50-143,406.30-58,596.66

Finding the Fourth Proportional to 103,916.50, 143,406.30 and 58,596.66

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Solution

The fourth proportional to 103,916.50, 143,406.30 and 58,596.66 is: 80,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,916.50 : 143,406.30 = 58,596.66 : x
  2. Step 2: Convert to fraction form
    103,916.50/143,406.30 = 58,596.66/x
  3. Step 3: Cross multiply
    103,916.50x = 143,406.30 × 58,596.66
  4. Step 4: Simplify right side
    103,916.50x = 8,403,130,202.96
  5. Step 5: Solve for x
    x = 8,403,130,202.96/103,916.50
  6. Step 6: Final answer
    x = 80,864.25

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1.5x scale

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.