Home / 56,075.51-77,380.29-31,550.01

Finding the Fourth Proportional to 56,075.51, 77,380.29 and 31,550.01

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Solution

The fourth proportional to 56,075.51, 77,380.29 and 31,550.01 is: 43,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,075.51 : 77,380.29 = 31,550.01 : x
  2. Step 2: Convert to fraction form
    56,075.51/77,380.29 = 31,550.01/x
  3. Step 3: Cross multiply
    56,075.51x = 77,380.29 × 31,550.01
  4. Step 4: Simplify right side
    56,075.51x = 2,441,348,923.30
  5. Step 5: Solve for x
    x = 2,441,348,923.30/56,075.51
  6. Step 6: Final answer
    x = 43,536.81

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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.