Home / 93,376.39-128,860.35-50,935.81

Finding the Fourth Proportional to 93,376.39, 128,860.35 and 50,935.81

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Solution

The fourth proportional to 93,376.39, 128,860.35 and 50,935.81 is: 70,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,376.39 : 128,860.35 = 50,935.81 : x
  2. Step 2: Convert to fraction form
    93,376.39/128,860.35 = 50,935.81/x
  3. Step 3: Cross multiply
    93,376.39x = 128,860.35 × 50,935.81
  4. Step 4: Simplify right side
    93,376.39x = 6,563,606,304.13
  5. Step 5: Solve for x
    x = 6,563,606,304.13/93,376.39
  6. Step 6: Final answer
    x = 70,291.93

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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.