Home / 84,501.41-116,487.71-64,323.14

Finding the Fourth Proportional to 84,501.41, 116,487.71 and 64,323.14

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Solution

The fourth proportional to 84,501.41, 116,487.71 and 64,323.14 is: 88,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,501.41 : 116,487.71 = 64,323.14 : x
  2. Step 2: Convert to fraction form
    84,501.41/116,487.71 = 64,323.14/x
  3. Step 3: Cross multiply
    84,501.41x = 116,487.71 × 64,323.14
  4. Step 4: Simplify right side
    84,501.41x = 7,492,855,278.61
  5. Step 5: Solve for x
    x = 7,492,855,278.61/84,501.41
  6. Step 6: Final answer
    x = 88,671.36

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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.