Home / 85,547.26-118,057.83-47,823.10

Finding the Fourth Proportional to 85,547.26, 118,057.83 and 47,823.10

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Solution

The fourth proportional to 85,547.26, 118,057.83 and 47,823.10 is: 65,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,547.26 : 118,057.83 = 47,823.10 : x
  2. Step 2: Convert to fraction form
    85,547.26/118,057.83 = 47,823.10/x
  3. Step 3: Cross multiply
    85,547.26x = 118,057.83 × 47,823.10
  4. Step 4: Simplify right side
    85,547.26x = 5,645,891,409.87
  5. Step 5: Solve for x
    x = 5,645,891,409.87/85,547.26
  6. Step 6: Final answer
    x = 65,997.34

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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.