Home / 108,055.62-149,111.28-60,315.84

Finding the Fourth Proportional to 108,055.62, 149,111.28 and 60,315.84

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Solution

The fourth proportional to 108,055.62, 149,111.28 and 60,315.84 is: 83,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,055.62 : 149,111.28 = 60,315.84 : x
  2. Step 2: Convert to fraction form
    108,055.62/149,111.28 = 60,315.84/x
  3. Step 3: Cross multiply
    108,055.62x = 149,111.28 × 60,315.84
  4. Step 4: Simplify right side
    108,055.62x = 8,993,772,106.68
  5. Step 5: Solve for x
    x = 8,993,772,106.68/108,055.62
  6. Step 6: Final answer
    x = 83,232.80

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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.