Home / 85,551.04-118,063.12-47,825.12

Finding the Fourth Proportional to 85,551.04, 118,063.12 and 47,825.12

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Solution

The fourth proportional to 85,551.04, 118,063.12 and 47,825.12 is: 66,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,551.04 : 118,063.12 = 47,825.12 : x
  2. Step 2: Convert to fraction form
    85,551.04/118,063.12 = 47,825.12/x
  3. Step 3: Cross multiply
    85,551.04x = 118,063.12 × 47,825.12
  4. Step 4: Simplify right side
    85,551.04x = 5,646,382,881.57
  5. Step 5: Solve for x
    x = 5,646,382,881.57/85,551.04
  6. Step 6: Final answer
    x = 66,000.17

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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.