Home / 104,545.05-144,272.86-56,798.39

Finding the Fourth Proportional to 104,545.05, 144,272.86 and 56,798.39

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Solution

The fourth proportional to 104,545.05, 144,272.86 and 56,798.39 is: 78,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,545.05 : 144,272.86 = 56,798.39 : x
  2. Step 2: Convert to fraction form
    104,545.05/144,272.86 = 56,798.39/x
  3. Step 3: Cross multiply
    104,545.05x = 144,272.86 × 56,798.39
  4. Step 4: Simplify right side
    104,545.05x = 8,194,466,168.70
  5. Step 5: Solve for x
    x = 8,194,466,168.70/104,545.05
  6. Step 6: Final answer
    x = 78,382.15

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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.