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Finding the Fourth Proportional to 93,365.96, 128,846.77 and 50,926.01

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Solution

The fourth proportional to 93,365.96, 128,846.77 and 50,926.01 is: 70,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,365.96 : 128,846.77 = 50,926.01 : x
  2. Step 2: Convert to fraction form
    93,365.96/128,846.77 = 50,926.01/x
  3. Step 3: Cross multiply
    93,365.96x = 128,846.77 × 50,926.01
  4. Step 4: Simplify right side
    93,365.96x = 6,561,651,897.49
  5. Step 5: Solve for x
    x = 6,561,651,897.49/93,365.96
  6. Step 6: Final answer
    x = 70,278.85

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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.