Home / 90,888.45-125,393.58-52,627.11

Finding the Fourth Proportional to 90,888.45, 125,393.58 and 52,627.11

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Solution

The fourth proportional to 90,888.45, 125,393.58 and 52,627.11 is: 72,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,888.45 : 125,393.58 = 52,627.11 : x
  2. Step 2: Convert to fraction form
    90,888.45/125,393.58 = 52,627.11/x
  3. Step 3: Cross multiply
    90,888.45x = 125,393.58 × 52,627.11
  4. Step 4: Simplify right side
    90,888.45x = 6,599,101,727.95
  5. Step 5: Solve for x
    x = 6,599,101,727.95/90,888.45
  6. Step 6: Final answer
    x = 72,606.60

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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.