Home / 104,820.48-144,653.04-57,074.63

Finding the Fourth Proportional to 104,820.48, 144,653.04 and 57,074.63

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Solution

The fourth proportional to 104,820.48, 144,653.04 and 57,074.63 is: 78,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,820.48 : 144,653.04 = 57,074.63 : x
  2. Step 2: Convert to fraction form
    104,820.48/144,653.04 = 57,074.63/x
  3. Step 3: Cross multiply
    104,820.48x = 144,653.04 × 57,074.63
  4. Step 4: Simplify right side
    104,820.48x = 8,256,018,013.11
  5. Step 5: Solve for x
    x = 8,256,018,013.11/104,820.48
  6. Step 6: Final answer
    x = 78,763.41

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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.