Home / 78,527.44-108,408-60,582.16

Finding the Fourth Proportional to 78,527.44, 108,408 and 60,582.16

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Solution

The fourth proportional to 78,527.44, 108,408 and 60,582.16 is: 83,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,527.44 : 108,408 = 60,582.16 : x
  2. Step 2: Convert to fraction form
    78,527.44/108,408 = 60,582.16/x
  3. Step 3: Cross multiply
    78,527.44x = 108,408 × 60,582.16
  4. Step 4: Simplify right side
    78,527.44x = 6,567,590,801.28
  5. Step 5: Solve for x
    x = 6,567,590,801.28/78,527.44
  6. Step 6: Final answer
    x = 83,634.34

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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.