Home / 85,807.08-118,335.33-53,500.23

Finding the Fourth Proportional to 85,807.08, 118,335.33 and 53,500.23

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Solution

The fourth proportional to 85,807.08, 118,335.33 and 53,500.23 is: 73,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,807.08 : 118,335.33 = 53,500.23 : x
  2. Step 2: Convert to fraction form
    85,807.08/118,335.33 = 53,500.23/x
  3. Step 3: Cross multiply
    85,807.08x = 118,335.33 × 53,500.23
  4. Step 4: Simplify right side
    85,807.08x = 6,330,967,372.13
  5. Step 5: Solve for x
    x = 6,330,967,372.13/85,807.08
  6. Step 6: Final answer
    x = 73,781.41

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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.