Home / 74,615.40-111,904.66-46,521

Finding the Fourth Proportional to 74,615.40, 111,904.66 and 46,521

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Solution

The fourth proportional to 74,615.40, 111,904.66 and 46,521 is: 69,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,615.40 : 111,904.66 = 46,521 : x
  2. Step 2: Convert to fraction form
    74,615.40/111,904.66 = 46,521/x
  3. Step 3: Cross multiply
    74,615.40x = 111,904.66 × 46,521
  4. Step 4: Simplify right side
    74,615.40x = 5,205,916,687.86
  5. Step 5: Solve for x
    x = 5,205,916,687.86/74,615.40
  6. Step 6: Final answer
    x = 69,770.00

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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.