Home / 114,871.95-172,248.67-51,638.02

Finding the Fourth Proportional to 114,871.95, 172,248.67 and 51,638.02

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Solution

The fourth proportional to 114,871.95, 172,248.67 and 51,638.02 is: 77,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,871.95 : 172,248.67 = 51,638.02 : x
  2. Step 2: Convert to fraction form
    114,871.95/172,248.67 = 51,638.02/x
  3. Step 3: Cross multiply
    114,871.95x = 172,248.67 × 51,638.02
  4. Step 4: Simplify right side
    114,871.95x = 8,894,580,266.43
  5. Step 5: Solve for x
    x = 8,894,580,266.43/114,871.95
  6. Step 6: Final answer
    x = 77,430.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.