Home / 56,195.17-77,551.16-30,703.86

Finding the Fourth Proportional to 56,195.17, 77,551.16 and 30,703.86

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Solution

The fourth proportional to 56,195.17, 77,551.16 and 30,703.86 is: 42,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,195.17 : 77,551.16 = 30,703.86 : x
  2. Step 2: Convert to fraction form
    56,195.17/77,551.16 = 30,703.86/x
  3. Step 3: Cross multiply
    56,195.17x = 77,551.16 × 30,703.86
  4. Step 4: Simplify right side
    56,195.17x = 2,381,119,805.96
  5. Step 5: Solve for x
    x = 2,381,119,805.96/56,195.17
  6. Step 6: Final answer
    x = 42,372.32

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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.