Home / 74,354.34-111,465.81-56,902.08

Finding the Fourth Proportional to 74,354.34, 111,465.81 and 56,902.08

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Solution

The fourth proportional to 74,354.34, 111,465.81 and 56,902.08 is: 85,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354.34 : 111,465.81 = 56,902.08 : x
  2. Step 2: Convert to fraction form
    74,354.34/111,465.81 = 56,902.08/x
  3. Step 3: Cross multiply
    74,354.34x = 111,465.81 × 56,902.08
  4. Step 4: Simplify right side
    74,354.34x = 6,342,636,437.88
  5. Step 5: Solve for x
    x = 6,342,636,437.88/74,354.34
  6. Step 6: Final answer
    x = 85,302.84

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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.