Home / 103,690.10-155,534.09-47,514.27

Finding the Fourth Proportional to 103,690.10, 155,534.09 and 47,514.27

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Solution

The fourth proportional to 103,690.10, 155,534.09 and 47,514.27 is: 71,270.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690.10 : 155,534.09 = 47,514.27 : x
  2. Step 2: Convert to fraction form
    103,690.10/155,534.09 = 47,514.27/x
  3. Step 3: Cross multiply
    103,690.10x = 155,534.09 × 47,514.27
  4. Step 4: Simplify right side
    103,690.10x = 7,390,088,746.46
  5. Step 5: Solve for x
    x = 7,390,088,746.46/103,690.10
  6. Step 6: Final answer
    x = 71,270.92

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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.