Home / 58,133.34-80,203.32-38,001.78

Finding the Fourth Proportional to 58,133.34, 80,203.32 and 38,001.78

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Solution

The fourth proportional to 58,133.34, 80,203.32 and 38,001.78 is: 52,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,133.34 : 80,203.32 = 38,001.78 : x
  2. Step 2: Convert to fraction form
    58,133.34/80,203.32 = 38,001.78/x
  3. Step 3: Cross multiply
    58,133.34x = 80,203.32 × 38,001.78
  4. Step 4: Simplify right side
    58,133.34x = 3,047,868,921.91
  5. Step 5: Solve for x
    x = 3,047,868,921.91/58,133.34
  6. Step 6: Final answer
    x = 52,428.93

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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.