Home / 56,742.48-84,965.24-47,834.32

Finding the Fourth Proportional to 56,742.48, 84,965.24 and 47,834.32

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Solution

The fourth proportional to 56,742.48, 84,965.24 and 47,834.32 is: 71,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742.48 : 84,965.24 = 47,834.32 : x
  2. Step 2: Convert to fraction form
    56,742.48/84,965.24 = 47,834.32/x
  3. Step 3: Cross multiply
    56,742.48x = 84,965.24 × 47,834.32
  4. Step 4: Simplify right side
    56,742.48x = 4,064,254,479.04
  5. Step 5: Solve for x
    x = 4,064,254,479.04/56,742.48
  6. Step 6: Final answer
    x = 71,626.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.