Home / 93,074.98-128,442.86-50,633.68

Finding the Fourth Proportional to 93,074.98, 128,442.86 and 50,633.68

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Solution

The fourth proportional to 93,074.98, 128,442.86 and 50,633.68 is: 69,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,074.98 : 128,442.86 = 50,633.68 : x
  2. Step 2: Convert to fraction form
    93,074.98/128,442.86 = 50,633.68/x
  3. Step 3: Cross multiply
    93,074.98x = 128,442.86 × 50,633.68
  4. Step 4: Simplify right side
    93,074.98x = 6,503,534,671.52
  5. Step 5: Solve for x
    x = 6,503,534,671.52/93,074.98
  6. Step 6: Final answer
    x = 69,874.15

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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.