Home / 108,073.10-149,140.29-62,762.21

Finding the Fourth Proportional to 108,073.10, 149,140.29 and 62,762.21

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Solution

The fourth proportional to 108,073.10, 149,140.29 and 62,762.21 is: 86,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,073.10 : 149,140.29 = 62,762.21 : x
  2. Step 2: Convert to fraction form
    108,073.10/149,140.29 = 62,762.21/x
  3. Step 3: Cross multiply
    108,073.10x = 149,140.29 × 62,762.21
  4. Step 4: Simplify right side
    108,073.10x = 9,360,373,454.74
  5. Step 5: Solve for x
    x = 9,360,373,454.74/108,073.10
  6. Step 6: Final answer
    x = 86,611.51

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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.