Home / 88,287.14-121,855.59-58,075.44

Finding the Fourth Proportional to 88,287.14, 121,855.59 and 58,075.44

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Solution

The fourth proportional to 88,287.14, 121,855.59 and 58,075.44 is: 80,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,287.14 : 121,855.59 = 58,075.44 : x
  2. Step 2: Convert to fraction form
    88,287.14/121,855.59 = 58,075.44/x
  3. Step 3: Cross multiply
    88,287.14x = 121,855.59 × 58,075.44
  4. Step 4: Simplify right side
    88,287.14x = 7,076,817,005.71
  5. Step 5: Solve for x
    x = 7,076,817,005.71/88,287.14
  6. Step 6: Final answer
    x = 80,156.83

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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.