Home / 85,528.68-118,027.54-47,806.44

Finding the Fourth Proportional to 85,528.68, 118,027.54 and 47,806.44

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Solution

The fourth proportional to 85,528.68, 118,027.54 and 47,806.44 is: 65,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,528.68 : 118,027.54 = 47,806.44 : x
  2. Step 2: Convert to fraction form
    85,528.68/118,027.54 = 47,806.44/x
  3. Step 3: Cross multiply
    85,528.68x = 118,027.54 × 47,806.44
  4. Step 4: Simplify right side
    85,528.68x = 5,642,476,509.36
  5. Step 5: Solve for x
    x = 5,642,476,509.36/85,528.68
  6. Step 6: Final answer
    x = 65,971.75

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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.