Home / 60,403.50-83,329.47-38,885.52

Finding the Fourth Proportional to 60,403.50, 83,329.47 and 38,885.52

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Solution

The fourth proportional to 60,403.50, 83,329.47 and 38,885.52 is: 53,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,403.50 : 83,329.47 = 38,885.52 : x
  2. Step 2: Convert to fraction form
    60,403.50/83,329.47 = 38,885.52/x
  3. Step 3: Cross multiply
    60,403.50x = 83,329.47 × 38,885.52
  4. Step 4: Simplify right side
    60,403.50x = 3,240,309,772.27
  5. Step 5: Solve for x
    x = 3,240,309,772.27/60,403.50
  6. Step 6: Final answer
    x = 53,644.40

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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.