Home / 98,147.10-135,397.71-57,833.34

Finding the Fourth Proportional to 98,147.10, 135,397.71 and 57,833.34

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Solution

The fourth proportional to 98,147.10, 135,397.71 and 57,833.34 is: 79,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,147.10 : 135,397.71 = 57,833.34 : x
  2. Step 2: Convert to fraction form
    98,147.10/135,397.71 = 57,833.34/x
  3. Step 3: Cross multiply
    98,147.10x = 135,397.71 × 57,833.34
  4. Step 4: Simplify right side
    98,147.10x = 7,830,501,797.65
  5. Step 5: Solve for x
    x = 7,830,501,797.65/98,147.10
  6. Step 6: Final answer
    x = 79,783.32

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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.