Home / 85,909.54-118,559.23-53,663.26

Finding the Fourth Proportional to 85,909.54, 118,559.23 and 53,663.26

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Solution

The fourth proportional to 85,909.54, 118,559.23 and 53,663.26 is: 74,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,909.54 : 118,559.23 = 53,663.26 : x
  2. Step 2: Convert to fraction form
    85,909.54/118,559.23 = 53,663.26/x
  3. Step 3: Cross multiply
    85,909.54x = 118,559.23 × 53,663.26
  4. Step 4: Simplify right side
    85,909.54x = 6,362,274,784.89
  5. Step 5: Solve for x
    x = 6,362,274,784.89/85,909.54
  6. Step 6: Final answer
    x = 74,057.84

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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.