Home / 99,526.62-137,521.54-79,548.34

Finding the Fourth Proportional to 99,526.62, 137,521.54 and 79,548.34

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Solution

The fourth proportional to 99,526.62, 137,521.54 and 79,548.34 is: 109,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,526.62 : 137,521.54 = 79,548.34 : x
  2. Step 2: Convert to fraction form
    99,526.62/137,521.54 = 79,548.34/x
  3. Step 3: Cross multiply
    99,526.62x = 137,521.54 × 79,548.34
  4. Step 4: Simplify right side
    99,526.62x = 10,939,610,221.24
  5. Step 5: Solve for x
    x = 10,939,610,221.24/99,526.62
  6. Step 6: Final answer
    x = 109,916.42

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1.5x scale

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.