Home / 103,630.41-155,445.57-46,637.70

Finding the Fourth Proportional to 103,630.41, 155,445.57 and 46,637.70

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Solution

The fourth proportional to 103,630.41, 155,445.57 and 46,637.70 is: 69,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.41 : 155,445.57 = 46,637.70 : x
  2. Step 2: Convert to fraction form
    103,630.41/155,445.57 = 46,637.70/x
  3. Step 3: Cross multiply
    103,630.41x = 155,445.57 × 46,637.70
  4. Step 4: Simplify right side
    103,630.41x = 7,249,623,859.99
  5. Step 5: Solve for x
    x = 7,249,623,859.99/103,630.41
  6. Step 6: Final answer
    x = 69,956.53

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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.