Home / 65,081.16-97,622.25-42,610.77

Finding the Fourth Proportional to 65,081.16, 97,622.25 and 42,610.77

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Solution

The fourth proportional to 65,081.16, 97,622.25 and 42,610.77 is: 63,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,081.16 : 97,622.25 = 42,610.77 : x
  2. Step 2: Convert to fraction form
    65,081.16/97,622.25 = 42,610.77/x
  3. Step 3: Cross multiply
    65,081.16x = 97,622.25 × 42,610.77
  4. Step 4: Simplify right side
    65,081.16x = 4,159,759,241.63
  5. Step 5: Solve for x
    x = 4,159,759,241.63/65,081.16
  6. Step 6: Final answer
    x = 63,916.49

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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.