Home / 58,103.64-80,172.36-39,011.13

Finding the Fourth Proportional to 58,103.64, 80,172.36 and 39,011.13

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Solution

The fourth proportional to 58,103.64, 80,172.36 and 39,011.13 is: 53,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,103.64 : 80,172.36 = 39,011.13 : x
  2. Step 2: Convert to fraction form
    58,103.64/80,172.36 = 39,011.13/x
  3. Step 3: Cross multiply
    58,103.64x = 80,172.36 × 39,011.13
  4. Step 4: Simplify right side
    58,103.64x = 3,127,614,358.37
  5. Step 5: Solve for x
    x = 3,127,614,358.37/58,103.64
  6. Step 6: Final answer
    x = 53,828.20

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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.