Home / 85,715.01-118,290.58-47,989.26

Finding the Fourth Proportional to 85,715.01, 118,290.58 and 47,989.26

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Solution

The fourth proportional to 85,715.01, 118,290.58 and 47,989.26 is: 66,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,715.01 : 118,290.58 = 47,989.26 : x
  2. Step 2: Convert to fraction form
    85,715.01/118,290.58 = 47,989.26/x
  3. Step 3: Cross multiply
    85,715.01x = 118,290.58 × 47,989.26
  4. Step 4: Simplify right side
    85,715.01x = 5,676,677,279.20
  5. Step 5: Solve for x
    x = 5,676,677,279.20/85,715.01
  6. Step 6: Final answer
    x = 66,227.34

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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.