Home / 85,085.47-127,647.24-25,925.77

Finding the Fourth Proportional to 85,085.47, 127,647.24 and 25,925.77

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Solution

The fourth proportional to 85,085.47, 127,647.24 and 25,925.77 is: 38,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,085.47 : 127,647.24 = 25,925.77 : x
  2. Step 2: Convert to fraction form
    85,085.47/127,647.24 = 25,925.77/x
  3. Step 3: Cross multiply
    85,085.47x = 127,647.24 × 25,925.77
  4. Step 4: Simplify right side
    85,085.47x = 3,309,352,985.37
  5. Step 5: Solve for x
    x = 3,309,352,985.37/85,085.47
  6. Step 6: Final answer
    x = 38,894.46

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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.