Home / 93,220.28-128,643.33-50,778.81

Finding the Fourth Proportional to 93,220.28, 128,643.33 and 50,778.81

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Solution

The fourth proportional to 93,220.28, 128,643.33 and 50,778.81 is: 70,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,220.28 : 128,643.33 = 50,778.81 : x
  2. Step 2: Convert to fraction form
    93,220.28/128,643.33 = 50,778.81/x
  3. Step 3: Cross multiply
    93,220.28x = 128,643.33 × 50,778.81
  4. Step 4: Simplify right side
    93,220.28x = 6,532,355,211.84
  5. Step 5: Solve for x
    x = 6,532,355,211.84/93,220.28
  6. Step 6: Final answer
    x = 70,074.40

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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.