Home / 102,307.94-153,437.60-39,104.84

Finding the Fourth Proportional to 102,307.94, 153,437.60 and 39,104.84

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Solution

The fourth proportional to 102,307.94, 153,437.60 and 39,104.84 is: 58,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,307.94 : 153,437.60 = 39,104.84 : x
  2. Step 2: Convert to fraction form
    102,307.94/153,437.60 = 39,104.84/x
  3. Step 3: Cross multiply
    102,307.94x = 153,437.60 × 39,104.84
  4. Step 4: Simplify right side
    102,307.94x = 6,000,152,797.98
  5. Step 5: Solve for x
    x = 6,000,152,797.98/102,307.94
  6. Step 6: Final answer
    x = 58,647.97

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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.