Home / 81,075.32-111,884.28-45,263.24

Finding the Fourth Proportional to 81,075.32, 111,884.28 and 45,263.24

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Solution

The fourth proportional to 81,075.32, 111,884.28 and 45,263.24 is: 62,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,075.32 : 111,884.28 = 45,263.24 : x
  2. Step 2: Convert to fraction form
    81,075.32/111,884.28 = 45,263.24/x
  3. Step 3: Cross multiply
    81,075.32x = 111,884.28 × 45,263.24
  4. Step 4: Simplify right side
    81,075.32x = 5,064,245,017.87
  5. Step 5: Solve for x
    x = 5,064,245,017.87/81,075.32
  6. Step 6: Final answer
    x = 62,463.46

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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.