Home / 103,953.89-155,931.35-29,080.58

Finding the Fourth Proportional to 103,953.89, 155,931.35 and 29,080.58

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Solution

The fourth proportional to 103,953.89, 155,931.35 and 29,080.58 is: 43,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,953.89 : 155,931.35 = 29,080.58 : x
  2. Step 2: Convert to fraction form
    103,953.89/155,931.35 = 29,080.58/x
  3. Step 3: Cross multiply
    103,953.89x = 155,931.35 × 29,080.58
  4. Step 4: Simplify right side
    103,953.89x = 4,534,573,173.12
  5. Step 5: Solve for x
    x = 4,534,573,173.12/103,953.89
  6. Step 6: Final answer
    x = 43,621.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.