Home / 99,039.02-136,675.70-60,779.41

Finding the Fourth Proportional to 99,039.02, 136,675.70 and 60,779.41

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Solution

The fourth proportional to 99,039.02, 136,675.70 and 60,779.41 is: 83,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,039.02 : 136,675.70 = 60,779.41 : x
  2. Step 2: Convert to fraction form
    99,039.02/136,675.70 = 60,779.41/x
  3. Step 3: Cross multiply
    99,039.02x = 136,675.70 × 60,779.41
  4. Step 4: Simplify right side
    99,039.02x = 8,307,069,100.36
  5. Step 5: Solve for x
    x = 8,307,069,100.36/99,039.02
  6. Step 6: Final answer
    x = 83,876.73

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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.