Home / 109,381.48-164,073.02-39,261.40

Finding the Fourth Proportional to 109,381.48, 164,073.02 and 39,261.40

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Solution

The fourth proportional to 109,381.48, 164,073.02 and 39,261.40 is: 58,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,381.48 : 164,073.02 = 39,261.40 : x
  2. Step 2: Convert to fraction form
    109,381.48/164,073.02 = 39,261.40/x
  3. Step 3: Cross multiply
    109,381.48x = 164,073.02 × 39,261.40
  4. Step 4: Simplify right side
    109,381.48x = 6,441,736,467.43
  5. Step 5: Solve for x
    x = 6,441,736,467.43/109,381.48
  6. Step 6: Final answer
    x = 58,892.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.