Home / 85,023.72-127,477.86-47,609.52

Finding the Fourth Proportional to 85,023.72, 127,477.86 and 47,609.52

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Solution

The fourth proportional to 85,023.72, 127,477.86 and 47,609.52 is: 71,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,023.72 : 127,477.86 = 47,609.52 : x
  2. Step 2: Convert to fraction form
    85,023.72/127,477.86 = 47,609.52/x
  3. Step 3: Cross multiply
    85,023.72x = 127,477.86 × 47,609.52
  4. Step 4: Simplify right side
    85,023.72x = 6,069,159,725.23
  5. Step 5: Solve for x
    x = 6,069,159,725.23/85,023.72
  6. Step 6: Final answer
    x = 71,381.96

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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.