Home / 93,210.48-128,632.32-50,770.80

Finding the Fourth Proportional to 93,210.48, 128,632.32 and 50,770.80

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Solution

The fourth proportional to 93,210.48, 128,632.32 and 50,770.80 is: 70,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,210.48 : 128,632.32 = 50,770.80 : x
  2. Step 2: Convert to fraction form
    93,210.48/128,632.32 = 50,770.80/x
  3. Step 3: Cross multiply
    93,210.48x = 128,632.32 × 50,770.80
  4. Step 4: Simplify right side
    93,210.48x = 6,530,765,792.26
  5. Step 5: Solve for x
    x = 6,530,765,792.26/93,210.48
  6. Step 6: Final answer
    x = 70,064.72

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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.