Home / 108,038.42-149,101.28-59,649.68

Finding the Fourth Proportional to 108,038.42, 149,101.28 and 59,649.68

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Solution

The fourth proportional to 108,038.42, 149,101.28 and 59,649.68 is: 82,321.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,038.42 : 149,101.28 = 59,649.68 : x
  2. Step 2: Convert to fraction form
    108,038.42/149,101.28 = 59,649.68/x
  3. Step 3: Cross multiply
    108,038.42x = 149,101.28 × 59,649.68
  4. Step 4: Simplify right side
    108,038.42x = 8,893,843,639.59
  5. Step 5: Solve for x
    x = 8,893,843,639.59/108,038.42
  6. Step 6: Final answer
    x = 82,321.12

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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.