Home / 118,459.81-163,477.14-64,748.29

Finding the Fourth Proportional to 118,459.81, 163,477.14 and 64,748.29

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Solution

The fourth proportional to 118,459.81, 163,477.14 and 64,748.29 is: 89,354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,459.81 : 163,477.14 = 64,748.29 : x
  2. Step 2: Convert to fraction form
    118,459.81/163,477.14 = 64,748.29/x
  3. Step 3: Cross multiply
    118,459.81x = 163,477.14 × 64,748.29
  4. Step 4: Simplify right side
    118,459.81x = 10,584,865,269.09
  5. Step 5: Solve for x
    x = 10,584,865,269.09/118,459.81
  6. Step 6: Final answer
    x = 89,354.06

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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.