Home / 91,237.34-125,863.80-57,228.77

Finding the Fourth Proportional to 91,237.34, 125,863.80 and 57,228.77

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Solution

The fourth proportional to 91,237.34, 125,863.80 and 57,228.77 is: 78,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,237.34 : 125,863.80 = 57,228.77 : x
  2. Step 2: Convert to fraction form
    91,237.34/125,863.80 = 57,228.77/x
  3. Step 3: Cross multiply
    91,237.34x = 125,863.80 × 57,228.77
  4. Step 4: Simplify right side
    91,237.34x = 7,203,029,832.21
  5. Step 5: Solve for x
    x = 7,203,029,832.21/91,237.34
  6. Step 6: Final answer
    x = 78,948.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.