Home / 103,853.04-143,312.59-58,530.80

Finding the Fourth Proportional to 103,853.04, 143,312.59 and 58,530.80

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Solution

The fourth proportional to 103,853.04, 143,312.59 and 58,530.80 is: 80,769.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,853.04 : 143,312.59 = 58,530.80 : x
  2. Step 2: Convert to fraction form
    103,853.04/143,312.59 = 58,530.80/x
  3. Step 3: Cross multiply
    103,853.04x = 143,312.59 × 58,530.80
  4. Step 4: Simplify right side
    103,853.04x = 8,388,200,974.22
  5. Step 5: Solve for x
    x = 8,388,200,974.22/103,853.04
  6. Step 6: Final answer
    x = 80,769.92

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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.