Home / 64,729.86-89,329.40-35,656.93

Finding the Fourth Proportional to 64,729.86, 89,329.40 and 35,656.93

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Solution

The fourth proportional to 64,729.86, 89,329.40 and 35,656.93 is: 49,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,729.86 : 89,329.40 = 35,656.93 : x
  2. Step 2: Convert to fraction form
    64,729.86/89,329.40 = 35,656.93/x
  3. Step 3: Cross multiply
    64,729.86x = 89,329.40 × 35,656.93
  4. Step 4: Simplify right side
    64,729.86x = 3,185,212,162.74
  5. Step 5: Solve for x
    x = 3,185,212,162.74/64,729.86
  6. Step 6: Final answer
    x = 49,207.77

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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.