Home / 114,439.80-157,895.24-66,038.36

Finding the Fourth Proportional to 114,439.80, 157,895.24 and 66,038.36

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Solution

The fourth proportional to 114,439.80, 157,895.24 and 66,038.36 is: 91,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,439.80 : 157,895.24 = 66,038.36 : x
  2. Step 2: Convert to fraction form
    114,439.80/157,895.24 = 66,038.36/x
  3. Step 3: Cross multiply
    114,439.80x = 157,895.24 × 66,038.36
  4. Step 4: Simplify right side
    114,439.80x = 10,427,142,701.41
  5. Step 5: Solve for x
    x = 10,427,142,701.41/114,439.80
  6. Step 6: Final answer
    x = 91,114.65

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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.