Home / 64,931.63-89,606.90-36,637.97

Finding the Fourth Proportional to 64,931.63, 89,606.90 and 36,637.97

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Solution

The fourth proportional to 64,931.63, 89,606.90 and 36,637.97 is: 50,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,931.63 : 89,606.90 = 36,637.97 : x
  2. Step 2: Convert to fraction form
    64,931.63/89,606.90 = 36,637.97/x
  3. Step 3: Cross multiply
    64,931.63x = 89,606.90 × 36,637.97
  4. Step 4: Simplify right side
    64,931.63x = 3,283,014,913.99
  5. Step 5: Solve for x
    x = 3,283,014,913.99/64,931.63
  6. Step 6: Final answer
    x = 50,561.10

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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.