Home / 93,303.12-128,757.52-50,860.76

Finding the Fourth Proportional to 93,303.12, 128,757.52 and 50,860.76

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Solution

The fourth proportional to 93,303.12, 128,757.52 and 50,860.76 is: 70,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,303.12 : 128,757.52 = 50,860.76 : x
  2. Step 2: Convert to fraction form
    93,303.12/128,757.52 = 50,860.76/x
  3. Step 3: Cross multiply
    93,303.12x = 128,757.52 × 50,860.76
  4. Step 4: Simplify right side
    93,303.12x = 6,548,705,322.92
  5. Step 5: Solve for x
    x = 6,548,705,322.92/93,303.12
  6. Step 6: Final answer
    x = 70,187.42

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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.