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Finding the Fourth Proportional to 92,477.84, 127,605.73 and 56,160.39

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Solution

The fourth proportional to 92,477.84, 127,605.73 and 56,160.39 is: 77,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,477.84 : 127,605.73 = 56,160.39 : x
  2. Step 2: Convert to fraction form
    92,477.84/127,605.73 = 56,160.39/x
  3. Step 3: Cross multiply
    92,477.84x = 127,605.73 × 56,160.39
  4. Step 4: Simplify right side
    92,477.84x = 7,166,388,006.46
  5. Step 5: Solve for x
    x = 7,166,388,006.46/92,477.84
  6. Step 6: Final answer
    x = 77,493.03

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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.