Home / 105,047.14-144,967.08-57,302.23

Finding the Fourth Proportional to 105,047.14, 144,967.08 and 57,302.23

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Solution

The fourth proportional to 105,047.14, 144,967.08 and 57,302.23 is: 79,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,047.14 : 144,967.08 = 57,302.23 : x
  2. Step 2: Convert to fraction form
    105,047.14/144,967.08 = 57,302.23/x
  3. Step 3: Cross multiply
    105,047.14x = 144,967.08 × 57,302.23
  4. Step 4: Simplify right side
    105,047.14x = 8,306,936,960.59
  5. Step 5: Solve for x
    x = 8,306,936,960.59/105,047.14
  6. Step 6: Final answer
    x = 79,078.18

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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.