Home / 55,549.74-76,637.22-38,545.48

Finding the Fourth Proportional to 55,549.74, 76,637.22 and 38,545.48

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Solution

The fourth proportional to 55,549.74, 76,637.22 and 38,545.48 is: 53,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,549.74 : 76,637.22 = 38,545.48 : x
  2. Step 2: Convert to fraction form
    55,549.74/76,637.22 = 38,545.48/x
  3. Step 3: Cross multiply
    55,549.74x = 76,637.22 × 38,545.48
  4. Step 4: Simplify right side
    55,549.74x = 2,954,018,430.77
  5. Step 5: Solve for x
    x = 2,954,018,430.77/55,549.74
  6. Step 6: Final answer
    x = 53,177.90

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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.