Home / 71,927.40-99,261.54-40,095.48

Finding the Fourth Proportional to 71,927.40, 99,261.54 and 40,095.48

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Solution

The fourth proportional to 71,927.40, 99,261.54 and 40,095.48 is: 55,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,927.40 : 99,261.54 = 40,095.48 : x
  2. Step 2: Convert to fraction form
    71,927.40/99,261.54 = 40,095.48/x
  3. Step 3: Cross multiply
    71,927.40x = 99,261.54 × 40,095.48
  4. Step 4: Simplify right side
    71,927.40x = 3,979,939,091.84
  5. Step 5: Solve for x
    x = 3,979,939,091.84/71,927.40
  6. Step 6: Final answer
    x = 55,332.73

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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.