Home / 65,192.25-89,970.23-36,510.45

Finding the Fourth Proportional to 65,192.25, 89,970.23 and 36,510.45

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Solution

The fourth proportional to 65,192.25, 89,970.23 and 36,510.45 is: 50,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192.25 : 89,970.23 = 36,510.45 : x
  2. Step 2: Convert to fraction form
    65,192.25/89,970.23 = 36,510.45/x
  3. Step 3: Cross multiply
    65,192.25x = 89,970.23 × 36,510.45
  4. Step 4: Simplify right side
    65,192.25x = 3,284,853,401.35
  5. Step 5: Solve for x
    x = 3,284,853,401.35/65,192.25
  6. Step 6: Final answer
    x = 50,387.18

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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.