Home / 48,663.07-72,988.29-15,386.49

Finding the Fourth Proportional to 48,663.07, 72,988.29 and 15,386.49

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Solution

The fourth proportional to 48,663.07, 72,988.29 and 15,386.49 is: 23,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,663.07 : 72,988.29 = 15,386.49 : x
  2. Step 2: Convert to fraction form
    48,663.07/72,988.29 = 15,386.49/x
  3. Step 3: Cross multiply
    48,663.07x = 72,988.29 × 15,386.49
  4. Step 4: Simplify right side
    48,663.07x = 1,123,033,594.20
  5. Step 5: Solve for x
    x = 1,123,033,594.20/48,663.07
  6. Step 6: Final answer
    x = 23,077.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.