Home / 98,003.43-135,187.02-61,646.94

Finding the Fourth Proportional to 98,003.43, 135,187.02 and 61,646.94

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Solution

The fourth proportional to 98,003.43, 135,187.02 and 61,646.94 is: 85,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,003.43 : 135,187.02 = 61,646.94 : x
  2. Step 2: Convert to fraction form
    98,003.43/135,187.02 = 61,646.94/x
  3. Step 3: Cross multiply
    98,003.43x = 135,187.02 × 61,646.94
  4. Step 4: Simplify right side
    98,003.43x = 8,333,866,110.72
  5. Step 5: Solve for x
    x = 8,333,866,110.72/98,003.43
  6. Step 6: Final answer
    x = 85,036.47

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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.