Home / 93,278.06-128,723.88-50,836.58

Finding the Fourth Proportional to 93,278.06, 128,723.88 and 50,836.58

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Solution

The fourth proportional to 93,278.06, 128,723.88 and 50,836.58 is: 70,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,278.06 : 128,723.88 = 50,836.58 : x
  2. Step 2: Convert to fraction form
    93,278.06/128,723.88 = 50,836.58/x
  3. Step 3: Cross multiply
    93,278.06x = 128,723.88 × 50,836.58
  4. Step 4: Simplify right side
    93,278.06x = 6,543,881,823.53
  5. Step 5: Solve for x
    x = 6,543,881,823.53/93,278.06
  6. Step 6: Final answer
    x = 70,154.57

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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.