Home / 64,685.40-89,263.53-36,004.11

Finding the Fourth Proportional to 64,685.40, 89,263.53 and 36,004.11

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Solution

The fourth proportional to 64,685.40, 89,263.53 and 36,004.11 is: 49,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,685.40 : 89,263.53 = 36,004.11 : x
  2. Step 2: Convert to fraction form
    64,685.40/89,263.53 = 36,004.11/x
  3. Step 3: Cross multiply
    64,685.40x = 89,263.53 × 36,004.11
  4. Step 4: Simplify right side
    64,685.40x = 3,213,853,953.11
  5. Step 5: Solve for x
    x = 3,213,853,953.11/64,685.40
  6. Step 6: Final answer
    x = 49,684.38

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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.