Home / 108,130.21-149,223.90-59,734.63

Finding the Fourth Proportional to 108,130.21, 149,223.90 and 59,734.63

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Solution

The fourth proportional to 108,130.21, 149,223.90 and 59,734.63 is: 82,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,130.21 : 149,223.90 = 59,734.63 : x
  2. Step 2: Convert to fraction form
    108,130.21/149,223.90 = 59,734.63/x
  3. Step 3: Cross multiply
    108,130.21x = 149,223.90 × 59,734.63
  4. Step 4: Simplify right side
    108,130.21x = 8,913,834,864.19
  5. Step 5: Solve for x
    x = 8,913,834,864.19/108,130.21
  6. Step 6: Final answer
    x = 82,436.12

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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.