Home / 74,274.48-102,545.37-51,606.18

Finding the Fourth Proportional to 74,274.48, 102,545.37 and 51,606.18

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Solution

The fourth proportional to 74,274.48, 102,545.37 and 51,606.18 is: 71,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.48 : 102,545.37 = 51,606.18 : x
  2. Step 2: Convert to fraction form
    74,274.48/102,545.37 = 51,606.18/x
  3. Step 3: Cross multiply
    74,274.48x = 102,545.37 × 51,606.18
  4. Step 4: Simplify right side
    74,274.48x = 5,291,974,822.39
  5. Step 5: Solve for x
    x = 5,291,974,822.39/74,274.48
  6. Step 6: Final answer
    x = 71,248.90

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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.