Home / 74,330.28-102,572.51-42,501.26

Finding the Fourth Proportional to 74,330.28, 102,572.51 and 42,501.26

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Solution

The fourth proportional to 74,330.28, 102,572.51 and 42,501.26 is: 58,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,330.28 : 102,572.51 = 42,501.26 : x
  2. Step 2: Convert to fraction form
    74,330.28/102,572.51 = 42,501.26/x
  3. Step 3: Cross multiply
    74,330.28x = 102,572.51 × 42,501.26
  4. Step 4: Simplify right side
    74,330.28x = 4,359,460,916.36
  5. Step 5: Solve for x
    x = 4,359,460,916.36/74,330.28
  6. Step 6: Final answer
    x = 58,649.87

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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.