Home / 55,124.28-76,071.14-29,973.78

Finding the Fourth Proportional to 55,124.28, 76,071.14 and 29,973.78

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Solution

The fourth proportional to 55,124.28, 76,071.14 and 29,973.78 is: 41,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124.28 : 76,071.14 = 29,973.78 : x
  2. Step 2: Convert to fraction form
    55,124.28/76,071.14 = 29,973.78/x
  3. Step 3: Cross multiply
    55,124.28x = 76,071.14 × 29,973.78
  4. Step 4: Simplify right side
    55,124.28x = 2,280,139,614.71
  5. Step 5: Solve for x
    x = 2,280,139,614.71/55,124.28
  6. Step 6: Final answer
    x = 41,363.62

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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.