Home / 108,063.07-149,128.57-60,316.42

Finding the Fourth Proportional to 108,063.07, 149,128.57 and 60,316.42

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Solution

The fourth proportional to 108,063.07, 149,128.57 and 60,316.42 is: 83,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,063.07 : 149,128.57 = 60,316.42 : x
  2. Step 2: Convert to fraction form
    108,063.07/149,128.57 = 60,316.42/x
  3. Step 3: Cross multiply
    108,063.07x = 149,128.57 × 60,316.42
  4. Step 4: Simplify right side
    108,063.07x = 8,994,901,462.12
  5. Step 5: Solve for x
    x = 8,994,901,462.12/108,063.07
  6. Step 6: Final answer
    x = 83,237.52

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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.