Home / 104,665.49-144,437.68-56,918.73

Finding the Fourth Proportional to 104,665.49, 144,437.68 and 56,918.73

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Solution

The fourth proportional to 104,665.49, 144,437.68 and 56,918.73 is: 78,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,665.49 : 144,437.68 = 56,918.73 : x
  2. Step 2: Convert to fraction form
    104,665.49/144,437.68 = 56,918.73/x
  3. Step 3: Cross multiply
    104,665.49x = 144,437.68 × 56,918.73
  4. Step 4: Simplify right side
    104,665.49x = 8,221,208,703.84
  5. Step 5: Solve for x
    x = 8,221,208,703.84/104,665.49
  6. Step 6: Final answer
    x = 78,547.46

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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.