Home / 105,053.58-144,974.99-57,307.93

Finding the Fourth Proportional to 105,053.58, 144,974.99 and 57,307.93

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Solution

The fourth proportional to 105,053.58, 144,974.99 and 57,307.93 is: 79,085.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,053.58 : 144,974.99 = 57,307.93 : x
  2. Step 2: Convert to fraction form
    105,053.58/144,974.99 = 57,307.93/x
  3. Step 3: Cross multiply
    105,053.58x = 144,974.99 × 57,307.93
  4. Step 4: Simplify right side
    105,053.58x = 8,308,216,578.67
  5. Step 5: Solve for x
    x = 8,308,216,578.67/105,053.58
  6. Step 6: Final answer
    x = 79,085.52

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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.