Home / 93,150.15-128,547.18-50,708.67

Finding the Fourth Proportional to 93,150.15, 128,547.18 and 50,708.67

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Solution

The fourth proportional to 93,150.15, 128,547.18 and 50,708.67 is: 69,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,150.15 : 128,547.18 = 50,708.67 : x
  2. Step 2: Convert to fraction form
    93,150.15/128,547.18 = 50,708.67/x
  3. Step 3: Cross multiply
    93,150.15x = 128,547.18 × 50,708.67
  4. Step 4: Simplify right side
    93,150.15x = 6,518,456,530.05
  5. Step 5: Solve for x
    x = 6,518,456,530.05/93,150.15
  6. Step 6: Final answer
    x = 69,977.95

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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.