Home / 103,242.24-142,490.88-58,544.64

Finding the Fourth Proportional to 103,242.24, 142,490.88 and 58,544.64

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Solution

The fourth proportional to 103,242.24, 142,490.88 and 58,544.64 is: 80,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,242.24 : 142,490.88 = 58,544.64 : x
  2. Step 2: Convert to fraction form
    103,242.24/142,490.88 = 58,544.64/x
  3. Step 3: Cross multiply
    103,242.24x = 142,490.88 × 58,544.64
  4. Step 4: Simplify right side
    103,242.24x = 8,342,077,272.88
  5. Step 5: Solve for x
    x = 8,342,077,272.88/103,242.24
  6. Step 6: Final answer
    x = 80,801.01

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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.