Home / 85,554.32-118,065.36-47,827.76

Finding the Fourth Proportional to 85,554.32, 118,065.36 and 47,827.76

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Solution

The fourth proportional to 85,554.32, 118,065.36 and 47,827.76 is: 66,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,554.32 : 118,065.36 = 47,827.76 : x
  2. Step 2: Convert to fraction form
    85,554.32/118,065.36 = 47,827.76/x
  3. Step 3: Cross multiply
    85,554.32x = 118,065.36 × 47,827.76
  4. Step 4: Simplify right side
    85,554.32x = 5,646,801,702.39
  5. Step 5: Solve for x
    x = 5,646,801,702.39/85,554.32
  6. Step 6: Final answer
    x = 66,002.53

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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.