Home / 93,319.17-128,776.71-50,876.79

Finding the Fourth Proportional to 93,319.17, 128,776.71 and 50,876.79

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Solution

The fourth proportional to 93,319.17, 128,776.71 and 50,876.79 is: 70,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,319.17 : 128,776.71 = 50,876.79 : x
  2. Step 2: Convert to fraction form
    93,319.17/128,776.71 = 50,876.79/x
  3. Step 3: Cross multiply
    93,319.17x = 128,776.71 × 50,876.79
  4. Step 4: Simplify right side
    93,319.17x = 6,551,745,631.56
  5. Step 5: Solve for x
    x = 6,551,745,631.56/93,319.17
  6. Step 6: Final answer
    x = 70,207.93

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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.