Home / 46,909.08-70,363.98-13,631.40

Finding the Fourth Proportional to 46,909.08, 70,363.98 and 13,631.40

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Solution

The fourth proportional to 46,909.08, 70,363.98 and 13,631.40 is: 20,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,909.08 : 70,363.98 = 13,631.40 : x
  2. Step 2: Convert to fraction form
    46,909.08/70,363.98 = 13,631.40/x
  3. Step 3: Cross multiply
    46,909.08x = 70,363.98 × 13,631.40
  4. Step 4: Simplify right side
    46,909.08x = 959,159,556.97
  5. Step 5: Solve for x
    x = 959,159,556.97/46,909.08
  6. Step 6: Final answer
    x = 20,447.20

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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.