Home / 85,492.49-118,012.56-76,524.17

Finding the Fourth Proportional to 85,492.49, 118,012.56 and 76,524.17

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Solution

The fourth proportional to 85,492.49, 118,012.56 and 76,524.17 is: 105,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,492.49 : 118,012.56 = 76,524.17 : x
  2. Step 2: Convert to fraction form
    85,492.49/118,012.56 = 76,524.17/x
  3. Step 3: Cross multiply
    85,492.49x = 118,012.56 × 76,524.17
  4. Step 4: Simplify right side
    85,492.49x = 9,030,813,203.58
  5. Step 5: Solve for x
    x = 9,030,813,203.58/85,492.49
  6. Step 6: Final answer
    x = 105,632.82

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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.