Home / 71,547.18-98,739.70-41,333.78

Finding the Fourth Proportional to 71,547.18, 98,739.70 and 41,333.78

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Solution

The fourth proportional to 71,547.18, 98,739.70 and 41,333.78 is: 57,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,547.18 : 98,739.70 = 41,333.78 : x
  2. Step 2: Convert to fraction form
    71,547.18/98,739.70 = 41,333.78/x
  3. Step 3: Cross multiply
    71,547.18x = 98,739.70 × 41,333.78
  4. Step 4: Simplify right side
    71,547.18x = 4,081,285,037.07
  5. Step 5: Solve for x
    x = 4,081,285,037.07/71,547.18
  6. Step 6: Final answer
    x = 57,043.27

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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.