Home / 74,795.40-112,142.88-35,316

Finding the Fourth Proportional to 74,795.40, 112,142.88 and 35,316

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Solution

The fourth proportional to 74,795.40, 112,142.88 and 35,316 is: 52,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,795.40 : 112,142.88 = 35,316 : x
  2. Step 2: Convert to fraction form
    74,795.40/112,142.88 = 35,316/x
  3. Step 3: Cross multiply
    74,795.40x = 112,142.88 × 35,316
  4. Step 4: Simplify right side
    74,795.40x = 3,960,437,950.08
  5. Step 5: Solve for x
    x = 3,960,437,950.08/74,795.40
  6. Step 6: Final answer
    x = 52,950.29

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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.