Home / 104,827.05-144,642.10-61,820.03

Finding the Fourth Proportional to 104,827.05, 144,642.10 and 61,820.03

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Solution

The fourth proportional to 104,827.05, 144,642.10 and 61,820.03 is: 85,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,827.05 : 144,642.10 = 61,820.03 : x
  2. Step 2: Convert to fraction form
    104,827.05/144,642.10 = 61,820.03/x
  3. Step 3: Cross multiply
    104,827.05x = 144,642.10 × 61,820.03
  4. Step 4: Simplify right side
    104,827.05x = 8,941,778,961.26
  5. Step 5: Solve for x
    x = 8,941,778,961.26/104,827.05
  6. Step 6: Final answer
    x = 85,300.30

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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.