Home / 85,088.47-127,651.74-25,928.77

Finding the Fourth Proportional to 85,088.47, 127,651.74 and 25,928.77

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Solution

The fourth proportional to 85,088.47, 127,651.74 and 25,928.77 is: 38,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,088.47 : 127,651.74 = 25,928.77 : x
  2. Step 2: Convert to fraction form
    85,088.47/127,651.74 = 25,928.77/x
  3. Step 3: Cross multiply
    85,088.47x = 127,651.74 × 25,928.77
  4. Step 4: Simplify right side
    85,088.47x = 3,309,852,606.56
  5. Step 5: Solve for x
    x = 3,309,852,606.56/85,088.47
  6. Step 6: Final answer
    x = 38,898.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.