Home / 90,410.40-124,741.08-52,677.36

Finding the Fourth Proportional to 90,410.40, 124,741.08 and 52,677.36

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Solution

The fourth proportional to 90,410.40, 124,741.08 and 52,677.36 is: 72,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410.40 : 124,741.08 = 52,677.36 : x
  2. Step 2: Convert to fraction form
    90,410.40/124,741.08 = 52,677.36/x
  3. Step 3: Cross multiply
    90,410.40x = 124,741.08 × 52,677.36
  4. Step 4: Simplify right side
    90,410.40x = 6,571,030,777.95
  5. Step 5: Solve for x
    x = 6,571,030,777.95/90,410.40
  6. Step 6: Final answer
    x = 72,680.03

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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.