Home / 81,451.06-112,392.02-45,632.26

Finding the Fourth Proportional to 81,451.06, 112,392.02 and 45,632.26

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Solution

The fourth proportional to 81,451.06, 112,392.02 and 45,632.26 is: 62,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,451.06 : 112,392.02 = 45,632.26 : x
  2. Step 2: Convert to fraction form
    81,451.06/112,392.02 = 45,632.26/x
  3. Step 3: Cross multiply
    81,451.06x = 112,392.02 × 45,632.26
  4. Step 4: Simplify right side
    81,451.06x = 5,128,701,878.57
  5. Step 5: Solve for x
    x = 5,128,701,878.57/81,451.06
  6. Step 6: Final answer
    x = 62,966.67

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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.