Home / 66,208.42-99,256.75-28,740.22

Finding the Fourth Proportional to 66,208.42, 99,256.75 and 28,740.22

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Solution

The fourth proportional to 66,208.42, 99,256.75 and 28,740.22 is: 43,086.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,208.42 : 99,256.75 = 28,740.22 : x
  2. Step 2: Convert to fraction form
    66,208.42/99,256.75 = 28,740.22/x
  3. Step 3: Cross multiply
    66,208.42x = 99,256.75 × 28,740.22
  4. Step 4: Simplify right side
    66,208.42x = 2,852,660,831.49
  5. Step 5: Solve for x
    x = 2,852,660,831.49/66,208.42
  6. Step 6: Final answer
    x = 43,086.07

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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.