Home / 93,149.73-128,545.99-50,708.16

Finding the Fourth Proportional to 93,149.73, 128,545.99 and 50,708.16

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Solution

The fourth proportional to 93,149.73, 128,545.99 and 50,708.16 is: 69,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,149.73 : 128,545.99 = 50,708.16 : x
  2. Step 2: Convert to fraction form
    93,149.73/128,545.99 = 50,708.16/x
  3. Step 3: Cross multiply
    93,149.73x = 128,545.99 × 50,708.16
  4. Step 4: Simplify right side
    93,149.73x = 6,518,330,501.51
  5. Step 5: Solve for x
    x = 6,518,330,501.51/93,149.73
  6. Step 6: Final answer
    x = 69,976.91

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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.