Home / 85,725.28-118,296.77-47,482.25

Finding the Fourth Proportional to 85,725.28, 118,296.77 and 47,482.25

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Solution

The fourth proportional to 85,725.28, 118,296.77 and 47,482.25 is: 65,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,725.28 : 118,296.77 = 47,482.25 : x
  2. Step 2: Convert to fraction form
    85,725.28/118,296.77 = 47,482.25/x
  3. Step 3: Cross multiply
    85,725.28x = 118,296.77 × 47,482.25
  4. Step 4: Simplify right side
    85,725.28x = 5,616,996,334.55
  5. Step 5: Solve for x
    x = 5,616,996,334.55/85,725.28
  6. Step 6: Final answer
    x = 65,523.22

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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.