Home / 141,877.79-212,770.38-47,082.51

Finding the Fourth Proportional to 141,877.79, 212,770.38 and 47,082.51

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Solution

The fourth proportional to 141,877.79, 212,770.38 and 47,082.51 is: 70,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,877.79 : 212,770.38 = 47,082.51 : x
  2. Step 2: Convert to fraction form
    141,877.79/212,770.38 = 47,082.51/x
  3. Step 3: Cross multiply
    141,877.79x = 212,770.38 × 47,082.51
  4. Step 4: Simplify right side
    141,877.79x = 10,017,762,746.16
  5. Step 5: Solve for x
    x = 10,017,762,746.16/141,877.79
  6. Step 6: Final answer
    x = 70,608.39

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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.