Home / 90,682.49-125,106-52,435.01

Finding the Fourth Proportional to 90,682.49, 125,106 and 52,435.01

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Solution

The fourth proportional to 90,682.49, 125,106 and 52,435.01 is: 72,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,682.49 : 125,106 = 52,435.01 : x
  2. Step 2: Convert to fraction form
    90,682.49/125,106 = 52,435.01/x
  3. Step 3: Cross multiply
    90,682.49x = 125,106 × 52,435.01
  4. Step 4: Simplify right side
    90,682.49x = 6,559,934,361.06
  5. Step 5: Solve for x
    x = 6,559,934,361.06/90,682.49
  6. Step 6: Final answer
    x = 72,339.59

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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.