Home / 56,852.40-85,329.36-56,640.72

Finding the Fourth Proportional to 56,852.40, 85,329.36 and 56,640.72

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Solution

The fourth proportional to 56,852.40, 85,329.36 and 56,640.72 is: 85,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,852.40 : 85,329.36 = 56,640.72 : x
  2. Step 2: Convert to fraction form
    56,852.40/85,329.36 = 56,640.72/x
  3. Step 3: Cross multiply
    56,852.40x = 85,329.36 × 56,640.72
  4. Step 4: Simplify right side
    56,852.40x = 4,833,116,387.54
  5. Step 5: Solve for x
    x = 4,833,116,387.54/56,852.40
  6. Step 6: Final answer
    x = 85,011.65

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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.