Home / 58,134.34-80,204.70-38,002.78

Finding the Fourth Proportional to 58,134.34, 80,204.70 and 38,002.78

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Solution

The fourth proportional to 58,134.34, 80,204.70 and 38,002.78 is: 52,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,134.34 : 80,204.70 = 38,002.78 : x
  2. Step 2: Convert to fraction form
    58,134.34/80,204.70 = 38,002.78/x
  3. Step 3: Cross multiply
    58,134.34x = 80,204.70 × 38,002.78
  4. Step 4: Simplify right side
    58,134.34x = 3,048,001,569.07
  5. Step 5: Solve for x
    x = 3,048,001,569.07/58,134.34
  6. Step 6: Final answer
    x = 52,430.31

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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.