Home / 56,281.76-84,207.70-49,209.55

Finding the Fourth Proportional to 56,281.76, 84,207.70 and 49,209.55

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Solution

The fourth proportional to 56,281.76, 84,207.70 and 49,209.55 is: 73,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,281.76 : 84,207.70 = 49,209.55 : x
  2. Step 2: Convert to fraction form
    56,281.76/84,207.70 = 49,209.55/x
  3. Step 3: Cross multiply
    56,281.76x = 84,207.70 × 49,209.55
  4. Step 4: Simplify right side
    56,281.76x = 4,143,823,111.36
  5. Step 5: Solve for x
    x = 4,143,823,111.36/56,281.76
  6. Step 6: Final answer
    x = 73,626.39

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1.5x scale

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.