Home / 56,536.13-78,023.51-31,385.63

Finding the Fourth Proportional to 56,536.13, 78,023.51 and 31,385.63

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Solution

The fourth proportional to 56,536.13, 78,023.51 and 31,385.63 is: 43,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,536.13 : 78,023.51 = 31,385.63 : x
  2. Step 2: Convert to fraction form
    56,536.13/78,023.51 = 31,385.63/x
  3. Step 3: Cross multiply
    56,536.13x = 78,023.51 × 31,385.63
  4. Step 4: Simplify right side
    56,536.13x = 2,448,816,469.12
  5. Step 5: Solve for x
    x = 2,448,816,469.12/56,536.13
  6. Step 6: Final answer
    x = 43,314.19

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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.