Home / 56,714.28-85,075.36-19,259.08

Finding the Fourth Proportional to 56,714.28, 85,075.36 and 19,259.08

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Solution

The fourth proportional to 56,714.28, 85,075.36 and 19,259.08 is: 28,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,714.28 : 85,075.36 = 19,259.08 : x
  2. Step 2: Convert to fraction form
    56,714.28/85,075.36 = 19,259.08/x
  3. Step 3: Cross multiply
    56,714.28x = 85,075.36 × 19,259.08
  4. Step 4: Simplify right side
    56,714.28x = 1,638,473,164.27
  5. Step 5: Solve for x
    x = 1,638,473,164.27/56,714.28
  6. Step 6: Final answer
    x = 28,889.96

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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.