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Finding the Fourth Proportional to 92,946.39, 128,267.03 and 50,504.93

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Solution

The fourth proportional to 92,946.39, 128,267.03 and 50,504.93 is: 69,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,946.39 : 128,267.03 = 50,504.93 : x
  2. Step 2: Convert to fraction form
    92,946.39/128,267.03 = 50,504.93/x
  3. Step 3: Cross multiply
    92,946.39x = 128,267.03 × 50,504.93
  4. Step 4: Simplify right side
    92,946.39x = 6,478,116,477.60
  5. Step 5: Solve for x
    x = 6,478,116,477.60/92,946.39
  6. Step 6: Final answer
    x = 69,697.34

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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.