Home / 108,210.54-149,331.29-60,465.90

Finding the Fourth Proportional to 108,210.54, 149,331.29 and 60,465.90

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Solution

The fourth proportional to 108,210.54, 149,331.29 and 60,465.90 is: 83,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,210.54 : 149,331.29 = 60,465.90 : x
  2. Step 2: Convert to fraction form
    108,210.54/149,331.29 = 60,465.90/x
  3. Step 3: Cross multiply
    108,210.54x = 149,331.29 × 60,465.90
  4. Step 4: Simplify right side
    108,210.54x = 9,029,450,325.81
  5. Step 5: Solve for x
    x = 9,029,450,325.81/108,210.54
  6. Step 6: Final answer
    x = 83,443.36

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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.