Home / 64,756.16-89,353.60-36,461.12

Finding the Fourth Proportional to 64,756.16, 89,353.60 and 36,461.12

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Solution

The fourth proportional to 64,756.16, 89,353.60 and 36,461.12 is: 50,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,756.16 : 89,353.60 = 36,461.12 : x
  2. Step 2: Convert to fraction form
    64,756.16/89,353.60 = 36,461.12/x
  3. Step 3: Cross multiply
    64,756.16x = 89,353.60 × 36,461.12
  4. Step 4: Simplify right side
    64,756.16x = 3,257,932,332.03
  5. Step 5: Solve for x
    x = 3,257,932,332.03/64,756.16
  6. Step 6: Final answer
    x = 50,310.77

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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.