Home / 85,021.95-127,549.33-47,624.25

Finding the Fourth Proportional to 85,021.95, 127,549.33 and 47,624.25

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Solution

The fourth proportional to 85,021.95, 127,549.33 and 47,624.25 is: 71,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,021.95 : 127,549.33 = 47,624.25 : x
  2. Step 2: Convert to fraction form
    85,021.95/127,549.33 = 47,624.25/x
  3. Step 3: Cross multiply
    85,021.95x = 127,549.33 × 47,624.25
  4. Step 4: Simplify right side
    85,021.95x = 6,074,440,622.26
  5. Step 5: Solve for x
    x = 6,074,440,622.26/85,021.95
  6. Step 6: Final answer
    x = 71,445.56

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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.