Home / 92,055.39-138,096.75-28,880.70

Finding the Fourth Proportional to 92,055.39, 138,096.75 and 28,880.70

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Solution

The fourth proportional to 92,055.39, 138,096.75 and 28,880.70 is: 43,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,055.39 : 138,096.75 = 28,880.70 : x
  2. Step 2: Convert to fraction form
    92,055.39/138,096.75 = 28,880.70/x
  3. Step 3: Cross multiply
    92,055.39x = 138,096.75 × 28,880.70
  4. Step 4: Simplify right side
    92,055.39x = 3,988,331,012.51
  5. Step 5: Solve for x
    x = 3,988,331,012.51/92,055.39
  6. Step 6: Final answer
    x = 43,325.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.