Home / 93,146.86-128,539.39-50,704.48

Finding the Fourth Proportional to 93,146.86, 128,539.39 and 50,704.48

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Solution

The fourth proportional to 93,146.86, 128,539.39 and 50,704.48 is: 69,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,146.86 : 128,539.39 = 50,704.48 : x
  2. Step 2: Convert to fraction form
    93,146.86/128,539.39 = 50,704.48/x
  3. Step 3: Cross multiply
    93,146.86x = 128,539.39 × 50,704.48
  4. Step 4: Simplify right side
    93,146.86x = 6,517,522,929.47
  5. Step 5: Solve for x
    x = 6,517,522,929.47/93,146.86
  6. Step 6: Final answer
    x = 69,970.40

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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.