Home / 93,213.61-128,637.29-50,774.87

Finding the Fourth Proportional to 93,213.61, 128,637.29 and 50,774.87

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Solution

The fourth proportional to 93,213.61, 128,637.29 and 50,774.87 is: 70,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,213.61 : 128,637.29 = 50,774.87 : x
  2. Step 2: Convert to fraction form
    93,213.61/128,637.29 = 50,774.87/x
  3. Step 3: Cross multiply
    93,213.61x = 128,637.29 × 50,774.87
  4. Step 4: Simplify right side
    93,213.61x = 6,531,542,125.43
  5. Step 5: Solve for x
    x = 6,531,542,125.43/93,213.61
  6. Step 6: Final answer
    x = 70,070.69

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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.