Home / 85,828.16-118,442.84-47,587.59

Finding the Fourth Proportional to 85,828.16, 118,442.84 and 47,587.59

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Solution

The fourth proportional to 85,828.16, 118,442.84 and 47,587.59 is: 65,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,828.16 : 118,442.84 = 47,587.59 : x
  2. Step 2: Convert to fraction form
    85,828.16/118,442.84 = 47,587.59/x
  3. Step 3: Cross multiply
    85,828.16x = 118,442.84 × 47,587.59
  4. Step 4: Simplify right side
    85,828.16x = 5,636,408,478.20
  5. Step 5: Solve for x
    x = 5,636,408,478.20/85,828.16
  6. Step 6: Final answer
    x = 65,670.86

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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.