Home / 103,691.02-143,054.50-60,656.80

Finding the Fourth Proportional to 103,691.02, 143,054.50 and 60,656.80

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Solution

The fourth proportional to 103,691.02, 143,054.50 and 60,656.80 is: 83,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,691.02 : 143,054.50 = 60,656.80 : x
  2. Step 2: Convert to fraction form
    103,691.02/143,054.50 = 60,656.80/x
  3. Step 3: Cross multiply
    103,691.02x = 143,054.50 × 60,656.80
  4. Step 4: Simplify right side
    103,691.02x = 8,677,228,195.60
  5. Step 5: Solve for x
    x = 8,677,228,195.60/103,691.02
  6. Step 6: Final answer
    x = 83,683.51

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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.