Home / 85,555.65-128,355.35-32,951.01

Finding the Fourth Proportional to 85,555.65, 128,355.35 and 32,951.01

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Solution

The fourth proportional to 85,555.65, 128,355.35 and 32,951.01 is: 49,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,555.65 : 128,355.35 = 32,951.01 : x
  2. Step 2: Convert to fraction form
    85,555.65/128,355.35 = 32,951.01/x
  3. Step 3: Cross multiply
    85,555.65x = 128,355.35 × 32,951.01
  4. Step 4: Simplify right side
    85,555.65x = 4,229,438,256.65
  5. Step 5: Solve for x
    x = 4,229,438,256.65/85,555.65
  6. Step 6: Final answer
    x = 49,434.94

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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.