Home / 91,085.72-125,698.40-50,248.92

Finding the Fourth Proportional to 91,085.72, 125,698.40 and 50,248.92

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Solution

The fourth proportional to 91,085.72, 125,698.40 and 50,248.92 is: 69,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,085.72 : 125,698.40 = 50,248.92 : x
  2. Step 2: Convert to fraction form
    91,085.72/125,698.40 = 50,248.92/x
  3. Step 3: Cross multiply
    91,085.72x = 125,698.40 × 50,248.92
  4. Step 4: Simplify right side
    91,085.72x = 6,316,208,845.73
  5. Step 5: Solve for x
    x = 6,316,208,845.73/91,085.72
  6. Step 6: Final answer
    x = 69,343.57

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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.