Home / 77,386.16-116,040.36-35,862.32

Finding the Fourth Proportional to 77,386.16, 116,040.36 and 35,862.32

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Solution

The fourth proportional to 77,386.16, 116,040.36 and 35,862.32 is: 53,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,386.16 : 116,040.36 = 35,862.32 : x
  2. Step 2: Convert to fraction form
    77,386.16/116,040.36 = 35,862.32/x
  3. Step 3: Cross multiply
    77,386.16x = 116,040.36 × 35,862.32
  4. Step 4: Simplify right side
    77,386.16x = 4,161,476,523.24
  5. Step 5: Solve for x
    x = 4,161,476,523.24/77,386.16
  6. Step 6: Final answer
    x = 53,775.46

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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.