Home / 70,243.08-96,937.76-38,411.98

Finding the Fourth Proportional to 70,243.08, 96,937.76 and 38,411.98

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Solution

The fourth proportional to 70,243.08, 96,937.76 and 38,411.98 is: 53,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,243.08 : 96,937.76 = 38,411.98 : x
  2. Step 2: Convert to fraction form
    70,243.08/96,937.76 = 38,411.98/x
  3. Step 3: Cross multiply
    70,243.08x = 96,937.76 × 38,411.98
  4. Step 4: Simplify right side
    70,243.08x = 3,723,571,298.36
  5. Step 5: Solve for x
    x = 3,723,571,298.36/70,243.08
  6. Step 6: Final answer
    x = 53,009.80

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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.