Home / 93,219.14-128,642.63-50,776.76

Finding the Fourth Proportional to 93,219.14, 128,642.63 and 50,776.76

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Solution

The fourth proportional to 93,219.14, 128,642.63 and 50,776.76 is: 70,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,219.14 : 128,642.63 = 50,776.76 : x
  2. Step 2: Convert to fraction form
    93,219.14/128,642.63 = 50,776.76/x
  3. Step 3: Cross multiply
    93,219.14x = 128,642.63 × 50,776.76
  4. Step 4: Simplify right side
    93,219.14x = 6,532,055,052.18
  5. Step 5: Solve for x
    x = 6,532,055,052.18/93,219.14
  6. Step 6: Final answer
    x = 70,072.04

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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.