Home / 42,607.60-63,911.40-14,535.04

Finding the Fourth Proportional to 42,607.60, 63,911.40 and 14,535.04

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Solution

The fourth proportional to 42,607.60, 63,911.40 and 14,535.04 is: 21,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,607.60 : 63,911.40 = 14,535.04 : x
  2. Step 2: Convert to fraction form
    42,607.60/63,911.40 = 14,535.04/x
  3. Step 3: Cross multiply
    42,607.60x = 63,911.40 × 14,535.04
  4. Step 4: Simplify right side
    42,607.60x = 928,954,755.46
  5. Step 5: Solve for x
    x = 928,954,755.46/42,607.60
  6. Step 6: Final answer
    x = 21,802.56

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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.