Home / 104,005.55-143,526.98-56,257.88

Finding the Fourth Proportional to 104,005.55, 143,526.98 and 56,257.88

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Solution

The fourth proportional to 104,005.55, 143,526.98 and 56,257.88 is: 77,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005.55 : 143,526.98 = 56,257.88 : x
  2. Step 2: Convert to fraction form
    104,005.55/143,526.98 = 56,257.88/x
  3. Step 3: Cross multiply
    104,005.55x = 143,526.98 × 56,257.88
  4. Step 4: Simplify right side
    104,005.55x = 8,074,522,618.68
  5. Step 5: Solve for x
    x = 8,074,522,618.68/104,005.55
  6. Step 6: Final answer
    x = 77,635.50

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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.