Home / 108,448.47-149,657.40-60,701.81

Finding the Fourth Proportional to 108,448.47, 149,657.40 and 60,701.81

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Solution

The fourth proportional to 108,448.47, 149,657.40 and 60,701.81 is: 83,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,448.47 : 149,657.40 = 60,701.81 : x
  2. Step 2: Convert to fraction form
    108,448.47/149,657.40 = 60,701.81/x
  3. Step 3: Cross multiply
    108,448.47x = 149,657.40 × 60,701.81
  4. Step 4: Simplify right side
    108,448.47x = 9,084,474,311.61
  5. Step 5: Solve for x
    x = 9,084,474,311.61/108,448.47
  6. Step 6: Final answer
    x = 83,767.66

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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.