Home / 124,584.57-171,866.93-81,545.12

Finding the Fourth Proportional to 124,584.57, 171,866.93 and 81,545.12

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Solution

The fourth proportional to 124,584.57, 171,866.93 and 81,545.12 is: 112,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,584.57 : 171,866.93 = 81,545.12 : x
  2. Step 2: Convert to fraction form
    124,584.57/171,866.93 = 81,545.12/x
  3. Step 3: Cross multiply
    124,584.57x = 171,866.93 × 81,545.12
  4. Step 4: Simplify right side
    124,584.57x = 14,014,909,430.88
  5. Step 5: Solve for x
    x = 14,014,909,430.88/124,584.57
  6. Step 6: Final answer
    x = 112,493.14

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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.