Home / 93,539.12-129,042.86-55,791.50

Finding the Fourth Proportional to 93,539.12, 129,042.86 and 55,791.50

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Solution

The fourth proportional to 93,539.12, 129,042.86 and 55,791.50 is: 76,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,539.12 : 129,042.86 = 55,791.50 : x
  2. Step 2: Convert to fraction form
    93,539.12/129,042.86 = 55,791.50/x
  3. Step 3: Cross multiply
    93,539.12x = 129,042.86 × 55,791.50
  4. Step 4: Simplify right side
    93,539.12x = 7,199,494,723.69
  5. Step 5: Solve for x
    x = 7,199,494,723.69/93,539.12
  6. Step 6: Final answer
    x = 76,967.74

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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.