Home / 77,361.56-116,120.59-39,948.36

Finding the Fourth Proportional to 77,361.56, 116,120.59 and 39,948.36

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Solution

The fourth proportional to 77,361.56, 116,120.59 and 39,948.36 is: 59,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,361.56 : 116,120.59 = 39,948.36 : x
  2. Step 2: Convert to fraction form
    77,361.56/116,120.59 = 39,948.36/x
  3. Step 3: Cross multiply
    77,361.56x = 116,120.59 × 39,948.36
  4. Step 4: Simplify right side
    77,361.56x = 4,638,827,577.18
  5. Step 5: Solve for x
    x = 4,638,827,577.18/77,361.56
  6. Step 6: Final answer
    x = 59,962.96

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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.