Home / 93,403.23-128,896.88-50,962.65

Finding the Fourth Proportional to 93,403.23, 128,896.88 and 50,962.65

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Solution

The fourth proportional to 93,403.23, 128,896.88 and 50,962.65 is: 70,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,403.23 : 128,896.88 = 50,962.65 : x
  2. Step 2: Convert to fraction form
    93,403.23/128,896.88 = 50,962.65/x
  3. Step 3: Cross multiply
    93,403.23x = 128,896.88 × 50,962.65
  4. Step 4: Simplify right side
    93,403.23x = 6,568,926,581.53
  5. Step 5: Solve for x
    x = 6,568,926,581.53/93,403.23
  6. Step 6: Final answer
    x = 70,328.69

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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.