Home / 58,237.08-87,355.64-38,640.84

Finding the Fourth Proportional to 58,237.08, 87,355.64 and 38,640.84

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Solution

The fourth proportional to 58,237.08, 87,355.64 and 38,640.84 is: 57,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,237.08 : 87,355.64 = 38,640.84 : x
  2. Step 2: Convert to fraction form
    58,237.08/87,355.64 = 38,640.84/x
  3. Step 3: Cross multiply
    58,237.08x = 87,355.64 × 38,640.84
  4. Step 4: Simplify right side
    58,237.08x = 3,375,495,308.34
  5. Step 5: Solve for x
    x = 3,375,495,308.34/58,237.08
  6. Step 6: Final answer
    x = 57,961.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.