Home / 48,312.73-72,460.63-12,774.39

Finding the Fourth Proportional to 48,312.73, 72,460.63 and 12,774.39

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Solution

The fourth proportional to 48,312.73, 72,460.63 and 12,774.39 is: 19,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,312.73 : 72,460.63 = 12,774.39 : x
  2. Step 2: Convert to fraction form
    48,312.73/72,460.63 = 12,774.39/x
  3. Step 3: Cross multiply
    48,312.73x = 72,460.63 × 12,774.39
  4. Step 4: Simplify right side
    48,312.73x = 925,640,347.27
  5. Step 5: Solve for x
    x = 925,640,347.27/48,312.73
  6. Step 6: Final answer
    x = 19,159.35

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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.