Home / 85,738.42-118,376.80-53,522.10

Finding the Fourth Proportional to 85,738.42, 118,376.80 and 53,522.10

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Solution

The fourth proportional to 85,738.42, 118,376.80 and 53,522.10 is: 73,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,738.42 : 118,376.80 = 53,522.10 : x
  2. Step 2: Convert to fraction form
    85,738.42/118,376.80 = 53,522.10/x
  3. Step 3: Cross multiply
    85,738.42x = 118,376.80 × 53,522.10
  4. Step 4: Simplify right side
    85,738.42x = 6,335,774,927.28
  5. Step 5: Solve for x
    x = 6,335,774,927.28/85,738.42
  6. Step 6: Final answer
    x = 73,896.57

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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.