Home / 67,403.51-93,019.86-38,732.45

Finding the Fourth Proportional to 67,403.51, 93,019.86 and 38,732.45

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Solution

The fourth proportional to 67,403.51, 93,019.86 and 38,732.45 is: 53,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,403.51 : 93,019.86 = 38,732.45 : x
  2. Step 2: Convert to fraction form
    67,403.51/93,019.86 = 38,732.45/x
  3. Step 3: Cross multiply
    67,403.51x = 93,019.86 × 38,732.45
  4. Step 4: Simplify right side
    67,403.51x = 3,602,887,355.36
  5. Step 5: Solve for x
    x = 3,602,887,355.36/67,403.51
  6. Step 6: Final answer
    x = 53,452.52

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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.