Home / 93,211.54-128,631.93-50,770.10

Finding the Fourth Proportional to 93,211.54, 128,631.93 and 50,770.10

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Solution

The fourth proportional to 93,211.54, 128,631.93 and 50,770.10 is: 70,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,211.54 : 128,631.93 = 50,770.10 : x
  2. Step 2: Convert to fraction form
    93,211.54/128,631.93 = 50,770.10/x
  3. Step 3: Cross multiply
    93,211.54x = 128,631.93 × 50,770.10
  4. Step 4: Simplify right side
    93,211.54x = 6,530,655,949.29
  5. Step 5: Solve for x
    x = 6,530,655,949.29/93,211.54
  6. Step 6: Final answer
    x = 70,062.74

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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.