Home / 108,611.19-149,881.98-60,865.47

Finding the Fourth Proportional to 108,611.19, 149,881.98 and 60,865.47

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Solution

The fourth proportional to 108,611.19, 149,881.98 and 60,865.47 is: 83,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,611.19 : 149,881.98 = 60,865.47 : x
  2. Step 2: Convert to fraction form
    108,611.19/149,881.98 = 60,865.47/x
  3. Step 3: Cross multiply
    108,611.19x = 149,881.98 × 60,865.47
  4. Step 4: Simplify right side
    108,611.19x = 9,122,637,157.23
  5. Step 5: Solve for x
    x = 9,122,637,157.23/108,611.19
  6. Step 6: Final answer
    x = 83,993.53

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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.