Home / 61,728.08-85,126.24-42,577.25

Finding the Fourth Proportional to 61,728.08, 85,126.24 and 42,577.25

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Solution

The fourth proportional to 61,728.08, 85,126.24 and 42,577.25 is: 58,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,728.08 : 85,126.24 = 42,577.25 : x
  2. Step 2: Convert to fraction form
    61,728.08/85,126.24 = 42,577.25/x
  3. Step 3: Cross multiply
    61,728.08x = 85,126.24 × 42,577.25
  4. Step 4: Simplify right side
    61,728.08x = 3,624,440,829.63
  5. Step 5: Solve for x
    x = 3,624,440,829.63/61,728.08
  6. Step 6: Final answer
    x = 58,716.25

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1.5x scale

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.