Home / 93,322.20-128,784.30-50,880.72

Finding the Fourth Proportional to 93,322.20, 128,784.30 and 50,880.72

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Solution

The fourth proportional to 93,322.20, 128,784.30 and 50,880.72 is: 70,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,322.20 : 128,784.30 = 50,880.72 : x
  2. Step 2: Convert to fraction form
    93,322.20/128,784.30 = 50,880.72/x
  3. Step 3: Cross multiply
    93,322.20x = 128,784.30 × 50,880.72
  4. Step 4: Simplify right side
    93,322.20x = 6,552,637,908.70
  5. Step 5: Solve for x
    x = 6,552,637,908.70/93,322.20
  6. Step 6: Final answer
    x = 70,215.21

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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.