Home / 64,877.18-89,515.19-36,577.40

Finding the Fourth Proportional to 64,877.18, 89,515.19 and 36,577.40

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Solution

The fourth proportional to 64,877.18, 89,515.19 and 36,577.40 is: 50,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877.18 : 89,515.19 = 36,577.40 : x
  2. Step 2: Convert to fraction form
    64,877.18/89,515.19 = 36,577.40/x
  3. Step 3: Cross multiply
    64,877.18x = 89,515.19 × 36,577.40
  4. Step 4: Simplify right side
    64,877.18x = 3,274,232,554.57
  5. Step 5: Solve for x
    x = 3,274,232,554.57/64,877.18
  6. Step 6: Final answer
    x = 50,468.17

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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.