Home / 93,078.66-128,449.86-50,637.18

Finding the Fourth Proportional to 93,078.66, 128,449.86 and 50,637.18

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Solution

The fourth proportional to 93,078.66, 128,449.86 and 50,637.18 is: 69,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,078.66 : 128,449.86 = 50,637.18 : x
  2. Step 2: Convert to fraction form
    93,078.66/128,449.86 = 50,637.18/x
  3. Step 3: Cross multiply
    93,078.66x = 128,449.86 × 50,637.18
  4. Step 4: Simplify right side
    93,078.66x = 6,504,338,681.79
  5. Step 5: Solve for x
    x = 6,504,338,681.79/93,078.66
  6. Step 6: Final answer
    x = 69,880.02

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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.