Home / 112,281.04-168,322.47-45,776.80

Finding the Fourth Proportional to 112,281.04, 168,322.47 and 45,776.80

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Solution

The fourth proportional to 112,281.04, 168,322.47 and 45,776.80 is: 68,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,281.04 : 168,322.47 = 45,776.80 : x
  2. Step 2: Convert to fraction form
    112,281.04/168,322.47 = 45,776.80/x
  3. Step 3: Cross multiply
    112,281.04x = 168,322.47 × 45,776.80
  4. Step 4: Simplify right side
    112,281.04x = 7,705,264,044.70
  5. Step 5: Solve for x
    x = 7,705,264,044.70/112,281.04
  6. Step 6: Final answer
    x = 68,624.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.