Home / 57,664.60-86,594.10-38,030.20

Finding the Fourth Proportional to 57,664.60, 86,594.10 and 38,030.20

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Solution

The fourth proportional to 57,664.60, 86,594.10 and 38,030.20 is: 57,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664.60 : 86,594.10 = 38,030.20 : x
  2. Step 2: Convert to fraction form
    57,664.60/86,594.10 = 38,030.20/x
  3. Step 3: Cross multiply
    57,664.60x = 86,594.10 × 38,030.20
  4. Step 4: Simplify right side
    57,664.60x = 3,293,190,941.82
  5. Step 5: Solve for x
    x = 3,293,190,941.82/57,664.60
  6. Step 6: Final answer
    x = 57,109.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.