Home / 116,895.76-161,316.10-63,180.77

Finding the Fourth Proportional to 116,895.76, 161,316.10 and 63,180.77

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Solution

The fourth proportional to 116,895.76, 161,316.10 and 63,180.77 is: 87,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,895.76 : 161,316.10 = 63,180.77 : x
  2. Step 2: Convert to fraction form
    116,895.76/161,316.10 = 63,180.77/x
  3. Step 3: Cross multiply
    116,895.76x = 161,316.10 × 63,180.77
  4. Step 4: Simplify right side
    116,895.76x = 10,192,076,482.61
  5. Step 5: Solve for x
    x = 10,192,076,482.61/116,895.76
  6. Step 6: Final answer
    x = 87,189.45

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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.