Home / 90,925.36-125,476.86-50,642.62

Finding the Fourth Proportional to 90,925.36, 125,476.86 and 50,642.62

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Solution

The fourth proportional to 90,925.36, 125,476.86 and 50,642.62 is: 69,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,925.36 : 125,476.86 = 50,642.62 : x
  2. Step 2: Convert to fraction form
    90,925.36/125,476.86 = 50,642.62/x
  3. Step 3: Cross multiply
    90,925.36x = 125,476.86 × 50,642.62
  4. Step 4: Simplify right side
    90,925.36x = 6,354,476,939.77
  5. Step 5: Solve for x
    x = 6,354,476,939.77/90,925.36
  6. Step 6: Final answer
    x = 69,886.74

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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.