Home / 93,213.99-128,635.29-50,772.51

Finding the Fourth Proportional to 93,213.99, 128,635.29 and 50,772.51

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Solution

The fourth proportional to 93,213.99, 128,635.29 and 50,772.51 is: 70,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,213.99 : 128,635.29 = 50,772.51 : x
  2. Step 2: Convert to fraction form
    93,213.99/128,635.29 = 50,772.51/x
  3. Step 3: Cross multiply
    93,213.99x = 128,635.29 × 50,772.51
  4. Step 4: Simplify right side
    93,213.99x = 6,531,136,547.88
  5. Step 5: Solve for x
    x = 6,531,136,547.88/93,213.99
  6. Step 6: Final answer
    x = 70,066.05

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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.