Home / 105,048.69-144,966.67-57,301.62

Finding the Fourth Proportional to 105,048.69, 144,966.67 and 57,301.62

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Solution

The fourth proportional to 105,048.69, 144,966.67 and 57,301.62 is: 79,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,048.69 : 144,966.67 = 57,301.62 : x
  2. Step 2: Convert to fraction form
    105,048.69/144,966.67 = 57,301.62/x
  3. Step 3: Cross multiply
    105,048.69x = 144,966.67 × 57,301.62
  4. Step 4: Simplify right side
    105,048.69x = 8,306,825,037.01
  5. Step 5: Solve for x
    x = 8,306,825,037.01/105,048.69
  6. Step 6: Final answer
    x = 79,075.95

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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.