Home / 81,303.42-112,193.43-45,487.26

Finding the Fourth Proportional to 81,303.42, 112,193.43 and 45,487.26

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Solution

The fourth proportional to 81,303.42, 112,193.43 and 45,487.26 is: 62,769.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,303.42 : 112,193.43 = 45,487.26 : x
  2. Step 2: Convert to fraction form
    81,303.42/112,193.43 = 45,487.26/x
  3. Step 3: Cross multiply
    81,303.42x = 112,193.43 × 45,487.26
  4. Step 4: Simplify right side
    81,303.42x = 5,103,371,720.70
  5. Step 5: Solve for x
    x = 5,103,371,720.70/81,303.42
  6. Step 6: Final answer
    x = 62,769.46

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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.