Home / 65,669.16-90,622.98-35,861.16

Finding the Fourth Proportional to 65,669.16, 90,622.98 and 35,861.16

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Solution

The fourth proportional to 65,669.16, 90,622.98 and 35,861.16 is: 49,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,669.16 : 90,622.98 = 35,861.16 : x
  2. Step 2: Convert to fraction form
    65,669.16/90,622.98 = 35,861.16/x
  3. Step 3: Cross multiply
    65,669.16x = 90,622.98 × 35,861.16
  4. Step 4: Simplify right side
    65,669.16x = 3,249,845,185.46
  5. Step 5: Solve for x
    x = 3,249,845,185.46/65,669.16
  6. Step 6: Final answer
    x = 49,488.15

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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.