Home / 85,510.26-128,293.07-41,131.24

Finding the Fourth Proportional to 85,510.26, 128,293.07 and 41,131.24

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Solution

The fourth proportional to 85,510.26, 128,293.07 and 41,131.24 is: 61,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,510.26 : 128,293.07 = 41,131.24 : x
  2. Step 2: Convert to fraction form
    85,510.26/128,293.07 = 41,131.24/x
  3. Step 3: Cross multiply
    85,510.26x = 128,293.07 × 41,131.24
  4. Step 4: Simplify right side
    85,510.26x = 5,276,852,205.39
  5. Step 5: Solve for x
    x = 5,276,852,205.39/85,510.26
  6. Step 6: Final answer
    x = 61,710.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.