Home / 90,436.32-124,806.96-52,708.32

Finding the Fourth Proportional to 90,436.32, 124,806.96 and 52,708.32

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Solution

The fourth proportional to 90,436.32, 124,806.96 and 52,708.32 is: 72,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,436.32 : 124,806.96 = 52,708.32 : x
  2. Step 2: Convert to fraction form
    90,436.32/124,806.96 = 52,708.32/x
  3. Step 3: Cross multiply
    90,436.32x = 124,806.96 × 52,708.32
  4. Step 4: Simplify right side
    90,436.32x = 6,578,365,185.91
  5. Step 5: Solve for x
    x = 6,578,365,185.91/90,436.32
  6. Step 6: Final answer
    x = 72,740.30

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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.