Home / 65,106.90-89,847.09-36,812.70

Finding the Fourth Proportional to 65,106.90, 89,847.09 and 36,812.70

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Solution

The fourth proportional to 65,106.90, 89,847.09 and 36,812.70 is: 50,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,106.90 : 89,847.09 = 36,812.70 : x
  2. Step 2: Convert to fraction form
    65,106.90/89,847.09 = 36,812.70/x
  3. Step 3: Cross multiply
    65,106.90x = 89,847.09 × 36,812.70
  4. Step 4: Simplify right side
    65,106.90x = 3,307,513,970.04
  5. Step 5: Solve for x
    x = 3,307,513,970.04/65,106.90
  6. Step 6: Final answer
    x = 50,801.28

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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.