Home / 97,038.45-133,912.11-54,017.28

Finding the Fourth Proportional to 97,038.45, 133,912.11 and 54,017.28

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Solution

The fourth proportional to 97,038.45, 133,912.11 and 54,017.28 is: 74,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,038.45 : 133,912.11 = 54,017.28 : x
  2. Step 2: Convert to fraction form
    97,038.45/133,912.11 = 54,017.28/x
  3. Step 3: Cross multiply
    97,038.45x = 133,912.11 × 54,017.28
  4. Step 4: Simplify right side
    97,038.45x = 7,233,567,941.26
  5. Step 5: Solve for x
    x = 7,233,567,941.26/97,038.45
  6. Step 6: Final answer
    x = 74,543.32

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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.