Home / 112,602.64-168,952.98-70,579

Finding the Fourth Proportional to 112,602.64, 168,952.98 and 70,579

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Solution

The fourth proportional to 112,602.64, 168,952.98 and 70,579 is: 105,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,602.64 : 168,952.98 = 70,579 : x
  2. Step 2: Convert to fraction form
    112,602.64/168,952.98 = 70,579/x
  3. Step 3: Cross multiply
    112,602.64x = 168,952.98 × 70,579
  4. Step 4: Simplify right side
    112,602.64x = 11,924,532,375.42
  5. Step 5: Solve for x
    x = 11,924,532,375.42/112,602.64
  6. Step 6: Final answer
    x = 105,899.23

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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.