Home / 96,478.34-133,140.51-56,219.72

Finding the Fourth Proportional to 96,478.34, 133,140.51 and 56,219.72

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Solution

The fourth proportional to 96,478.34, 133,140.51 and 56,219.72 is: 77,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,478.34 : 133,140.51 = 56,219.72 : x
  2. Step 2: Convert to fraction form
    96,478.34/133,140.51 = 56,219.72/x
  3. Step 3: Cross multiply
    96,478.34x = 133,140.51 × 56,219.72
  4. Step 4: Simplify right side
    96,478.34x = 7,485,121,527.15
  5. Step 5: Solve for x
    x = 7,485,121,527.15/96,478.34
  6. Step 6: Final answer
    x = 77,583.44

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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.