Home / 92,973.76-128,298.54-50,531.98

Finding the Fourth Proportional to 92,973.76, 128,298.54 and 50,531.98

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Solution

The fourth proportional to 92,973.76, 128,298.54 and 50,531.98 is: 69,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,973.76 : 128,298.54 = 50,531.98 : x
  2. Step 2: Convert to fraction form
    92,973.76/128,298.54 = 50,531.98/x
  3. Step 3: Cross multiply
    92,973.76x = 128,298.54 × 50,531.98
  4. Step 4: Simplify right side
    92,973.76x = 6,483,179,257.31
  5. Step 5: Solve for x
    x = 6,483,179,257.31/92,973.76
  6. Step 6: Final answer
    x = 69,731.28

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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.