Home / 104,711.18-144,501.63-56,964.74

Finding the Fourth Proportional to 104,711.18, 144,501.63 and 56,964.74

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Solution

The fourth proportional to 104,711.18, 144,501.63 and 56,964.74 is: 78,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,711.18 : 144,501.63 = 56,964.74 : x
  2. Step 2: Convert to fraction form
    104,711.18/144,501.63 = 56,964.74/x
  3. Step 3: Cross multiply
    104,711.18x = 144,501.63 × 56,964.74
  4. Step 4: Simplify right side
    104,711.18x = 8,231,497,782.53
  5. Step 5: Solve for x
    x = 8,231,497,782.53/104,711.18
  6. Step 6: Final answer
    x = 78,611.45

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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.