Home / 99,124.85-136,794.33-56,104.34

Finding the Fourth Proportional to 99,124.85, 136,794.33 and 56,104.34

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Solution

The fourth proportional to 99,124.85, 136,794.33 and 56,104.34 is: 77,425.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,124.85 : 136,794.33 = 56,104.34 : x
  2. Step 2: Convert to fraction form
    99,124.85/136,794.33 = 56,104.34/x
  3. Step 3: Cross multiply
    99,124.85x = 136,794.33 × 56,104.34
  4. Step 4: Simplify right side
    99,124.85x = 7,674,754,916.42
  5. Step 5: Solve for x
    x = 7,674,754,916.42/99,124.85
  6. Step 6: Final answer
    x = 77,425.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.