Home / 65,916.93-90,965.33-35,702.25

Finding the Fourth Proportional to 65,916.93, 90,965.33 and 35,702.25

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Solution

The fourth proportional to 65,916.93, 90,965.33 and 35,702.25 is: 49,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,916.93 : 90,965.33 = 35,702.25 : x
  2. Step 2: Convert to fraction form
    65,916.93/90,965.33 = 35,702.25/x
  3. Step 3: Cross multiply
    65,916.93x = 90,965.33 × 35,702.25
  4. Step 4: Simplify right side
    65,916.93x = 3,247,666,701.13
  5. Step 5: Solve for x
    x = 3,247,666,701.13/65,916.93
  6. Step 6: Final answer
    x = 49,269.08

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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.