Home / 67,970.48-93,877.79-45,272.12

Finding the Fourth Proportional to 67,970.48, 93,877.79 and 45,272.12

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Solution

The fourth proportional to 67,970.48, 93,877.79 and 45,272.12 is: 62,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,970.48 : 93,877.79 = 45,272.12 : x
  2. Step 2: Convert to fraction form
    67,970.48/93,877.79 = 45,272.12/x
  3. Step 3: Cross multiply
    67,970.48x = 93,877.79 × 45,272.12
  4. Step 4: Simplify right side
    67,970.48x = 4,250,045,878.47
  5. Step 5: Solve for x
    x = 4,250,045,878.47/67,970.48
  6. Step 6: Final answer
    x = 62,527.82

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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.