Home / 65,569.06-90,526.70-45,418.69

Finding the Fourth Proportional to 65,569.06, 90,526.70 and 45,418.69

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Solution

The fourth proportional to 65,569.06, 90,526.70 and 45,418.69 is: 62,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,569.06 : 90,526.70 = 45,418.69 : x
  2. Step 2: Convert to fraction form
    65,569.06/90,526.70 = 45,418.69/x
  3. Step 3: Cross multiply
    65,569.06x = 90,526.70 × 45,418.69
  4. Step 4: Simplify right side
    65,569.06x = 4,111,603,444.30
  5. Step 5: Solve for x
    x = 4,111,603,444.30/65,569.06
  6. Step 6: Final answer
    x = 62,706.46

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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.