Home / 99,038.25-136,673.01-56,596.68

Finding the Fourth Proportional to 99,038.25, 136,673.01 and 56,596.68

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Solution

The fourth proportional to 99,038.25, 136,673.01 and 56,596.68 is: 78,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,038.25 : 136,673.01 = 56,596.68 : x
  2. Step 2: Convert to fraction form
    99,038.25/136,673.01 = 56,596.68/x
  3. Step 3: Cross multiply
    99,038.25x = 136,673.01 × 56,596.68
  4. Step 4: Simplify right side
    99,038.25x = 7,735,238,611.61
  5. Step 5: Solve for x
    x = 7,735,238,611.61/99,038.25
  6. Step 6: Final answer
    x = 78,103.55

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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.