Home / 118,058.48-162,915.95-64,342.35

Finding the Fourth Proportional to 118,058.48, 162,915.95 and 64,342.35

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Solution

The fourth proportional to 118,058.48, 162,915.95 and 64,342.35 is: 88,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,058.48 : 162,915.95 = 64,342.35 : x
  2. Step 2: Convert to fraction form
    118,058.48/162,915.95 = 64,342.35/x
  3. Step 3: Cross multiply
    118,058.48x = 162,915.95 × 64,342.35
  4. Step 4: Simplify right side
    118,058.48x = 10,482,394,260.90
  5. Step 5: Solve for x
    x = 10,482,394,260.90/118,058.48
  6. Step 6: Final answer
    x = 88,789.85

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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.