Home / 108,209.51-149,328.81-60,462.90

Finding the Fourth Proportional to 108,209.51, 149,328.81 and 60,462.90

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Solution

The fourth proportional to 108,209.51, 149,328.81 and 60,462.90 is: 83,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,209.51 : 149,328.81 = 60,462.90 : x
  2. Step 2: Convert to fraction form
    108,209.51/149,328.81 = 60,462.90/x
  3. Step 3: Cross multiply
    108,209.51x = 149,328.81 × 60,462.90
  4. Step 4: Simplify right side
    108,209.51x = 9,028,851,857.19
  5. Step 5: Solve for x
    x = 9,028,851,857.19/108,209.51
  6. Step 6: Final answer
    x = 83,438.62

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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.