Home / 99,003.74-136,625.02-53,681.64

Finding the Fourth Proportional to 99,003.74, 136,625.02 and 53,681.64

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Solution

The fourth proportional to 99,003.74, 136,625.02 and 53,681.64 is: 74,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,003.74 : 136,625.02 = 53,681.64 : x
  2. Step 2: Convert to fraction form
    99,003.74/136,625.02 = 53,681.64/x
  3. Step 3: Cross multiply
    99,003.74x = 136,625.02 × 53,681.64
  4. Step 4: Simplify right side
    99,003.74x = 7,334,255,004.43
  5. Step 5: Solve for x
    x = 7,334,255,004.43/99,003.74
  6. Step 6: Final answer
    x = 74,080.59

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1.5x scale

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.