Home / 70,945.20-97,916.04-42,666.48

Finding the Fourth Proportional to 70,945.20, 97,916.04 and 42,666.48

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Solution

The fourth proportional to 70,945.20, 97,916.04 and 42,666.48 is: 58,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,945.20 : 97,916.04 = 42,666.48 : x
  2. Step 2: Convert to fraction form
    70,945.20/97,916.04 = 42,666.48/x
  3. Step 3: Cross multiply
    70,945.20x = 97,916.04 × 42,666.48
  4. Step 4: Simplify right side
    70,945.20x = 4,177,732,762.34
  5. Step 5: Solve for x
    x = 4,177,732,762.34/70,945.20
  6. Step 6: Final answer
    x = 58,886.76

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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.