Home / 93,225.38-128,651.04-50,783.90

Finding the Fourth Proportional to 93,225.38, 128,651.04 and 50,783.90

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Solution

The fourth proportional to 93,225.38, 128,651.04 and 50,783.90 is: 70,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.38 : 128,651.04 = 50,783.90 : x
  2. Step 2: Convert to fraction form
    93,225.38/128,651.04 = 50,783.90/x
  3. Step 3: Cross multiply
    93,225.38x = 128,651.04 × 50,783.90
  4. Step 4: Simplify right side
    93,225.38x = 6,533,400,907.00
  5. Step 5: Solve for x
    x = 6,533,400,907.00/93,225.38
  6. Step 6: Final answer
    x = 70,081.79

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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.