Home / 85,783.01-118,385.27-47,541.75

Finding the Fourth Proportional to 85,783.01, 118,385.27 and 47,541.75

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Solution

The fourth proportional to 85,783.01, 118,385.27 and 47,541.75 is: 65,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,783.01 : 118,385.27 = 47,541.75 : x
  2. Step 2: Convert to fraction form
    85,783.01/118,385.27 = 47,541.75/x
  3. Step 3: Cross multiply
    85,783.01x = 118,385.27 × 47,541.75
  4. Step 4: Simplify right side
    85,783.01x = 5,628,242,672.31
  5. Step 5: Solve for x
    x = 5,628,242,672.31/85,783.01
  6. Step 6: Final answer
    x = 65,610.23

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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.