Home / 85,682.04-118,224.72-55,463.16

Finding the Fourth Proportional to 85,682.04, 118,224.72 and 55,463.16

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Solution

The fourth proportional to 85,682.04, 118,224.72 and 55,463.16 is: 76,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,682.04 : 118,224.72 = 55,463.16 : x
  2. Step 2: Convert to fraction form
    85,682.04/118,224.72 = 55,463.16/x
  3. Step 3: Cross multiply
    85,682.04x = 118,224.72 × 55,463.16
  4. Step 4: Simplify right side
    85,682.04x = 6,557,116,561.32
  5. Step 5: Solve for x
    x = 6,557,116,561.32/85,682.04
  6. Step 6: Final answer
    x = 76,528.48

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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.