Home / 103,693.02-143,057.26-60,658.80

Finding the Fourth Proportional to 103,693.02, 143,057.26 and 60,658.80

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Solution

The fourth proportional to 103,693.02, 143,057.26 and 60,658.80 is: 83,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,693.02 : 143,057.26 = 60,658.80 : x
  2. Step 2: Convert to fraction form
    103,693.02/143,057.26 = 60,658.80/x
  3. Step 3: Cross multiply
    103,693.02x = 143,057.26 × 60,658.80
  4. Step 4: Simplify right side
    103,693.02x = 8,677,681,722.89
  5. Step 5: Solve for x
    x = 8,677,681,722.89/103,693.02
  6. Step 6: Final answer
    x = 83,686.27

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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.