Home / 93,312.09-128,767.43-50,869.77

Finding the Fourth Proportional to 93,312.09, 128,767.43 and 50,869.77

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Solution

The fourth proportional to 93,312.09, 128,767.43 and 50,869.77 is: 70,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312.09 : 128,767.43 = 50,869.77 : x
  2. Step 2: Convert to fraction form
    93,312.09/128,767.43 = 50,869.77/x
  3. Step 3: Cross multiply
    93,312.09x = 128,767.43 × 50,869.77
  4. Step 4: Simplify right side
    93,312.09x = 6,550,369,293.24
  5. Step 5: Solve for x
    x = 6,550,369,293.24/93,312.09
  6. Step 6: Final answer
    x = 70,198.51

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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.