Home / 56,127.20-77,465.16-53,604.86

Finding the Fourth Proportional to 56,127.20, 77,465.16 and 53,604.86

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Solution

The fourth proportional to 56,127.20, 77,465.16 and 53,604.86 is: 73,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,127.20 : 77,465.16 = 53,604.86 : x
  2. Step 2: Convert to fraction form
    56,127.20/77,465.16 = 53,604.86/x
  3. Step 3: Cross multiply
    56,127.20x = 77,465.16 × 53,604.86
  4. Step 4: Simplify right side
    56,127.20x = 4,152,508,669.35
  5. Step 5: Solve for x
    x = 4,152,508,669.35/56,127.20
  6. Step 6: Final answer
    x = 73,983.90

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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.