Home / 85,130.24-117,478.76-46,889.06

Finding the Fourth Proportional to 85,130.24, 117,478.76 and 46,889.06

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Solution

The fourth proportional to 85,130.24, 117,478.76 and 46,889.06 is: 64,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,130.24 : 117,478.76 = 46,889.06 : x
  2. Step 2: Convert to fraction form
    85,130.24/117,478.76 = 46,889.06/x
  3. Step 3: Cross multiply
    85,130.24x = 117,478.76 × 46,889.06
  4. Step 4: Simplify right side
    85,130.24x = 5,508,467,804.53
  5. Step 5: Solve for x
    x = 5,508,467,804.53/85,130.24
  6. Step 6: Final answer
    x = 64,706.36

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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.