Home / 103,627.36-143,002.56-58,307.88

Finding the Fourth Proportional to 103,627.36, 143,002.56 and 58,307.88

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Solution

The fourth proportional to 103,627.36, 143,002.56 and 58,307.88 is: 80,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.36 : 143,002.56 = 58,307.88 : x
  2. Step 2: Convert to fraction form
    103,627.36/143,002.56 = 58,307.88/x
  3. Step 3: Cross multiply
    103,627.36x = 143,002.56 × 58,307.88
  4. Step 4: Simplify right side
    103,627.36x = 8,338,176,108.17
  5. Step 5: Solve for x
    x = 8,338,176,108.17/103,627.36
  6. Step 6: Final answer
    x = 80,463.08

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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.