Home / 99,039.22-136,675.99-60,779.63

Finding the Fourth Proportional to 99,039.22, 136,675.99 and 60,779.63

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Solution

The fourth proportional to 99,039.22, 136,675.99 and 60,779.63 is: 83,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,039.22 : 136,675.99 = 60,779.63 : x
  2. Step 2: Convert to fraction form
    99,039.22/136,675.99 = 60,779.63/x
  3. Step 3: Cross multiply
    99,039.22x = 136,675.99 × 60,779.63
  4. Step 4: Simplify right side
    99,039.22x = 8,307,115,750.95
  5. Step 5: Solve for x
    x = 8,307,115,750.95/99,039.22
  6. Step 6: Final answer
    x = 83,877.03

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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.