Home / 85,714.40-118,300.30-49,925.67

Finding the Fourth Proportional to 85,714.40, 118,300.30 and 49,925.67

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Solution

The fourth proportional to 85,714.40, 118,300.30 and 49,925.67 is: 68,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,714.40 : 118,300.30 = 49,925.67 : x
  2. Step 2: Convert to fraction form
    85,714.40/118,300.30 = 49,925.67/x
  3. Step 3: Cross multiply
    85,714.40x = 118,300.30 × 49,925.67
  4. Step 4: Simplify right side
    85,714.40x = 5,906,221,170.26
  5. Step 5: Solve for x
    x = 5,906,221,170.26/85,714.40
  6. Step 6: Final answer
    x = 68,905.82

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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.