Home / 64,726.78-89,350.60-43,518.35

Finding the Fourth Proportional to 64,726.78, 89,350.60 and 43,518.35

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Solution

The fourth proportional to 64,726.78, 89,350.60 and 43,518.35 is: 60,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,726.78 : 89,350.60 = 43,518.35 : x
  2. Step 2: Convert to fraction form
    64,726.78/89,350.60 = 43,518.35/x
  3. Step 3: Cross multiply
    64,726.78x = 89,350.60 × 43,518.35
  4. Step 4: Simplify right side
    64,726.78x = 3,888,390,019.17
  5. Step 5: Solve for x
    x = 3,888,390,019.17/64,726.78
  6. Step 6: Final answer
    x = 60,073.90

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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.