Home / 99,662.88-137,533.02-54,341.22

Finding the Fourth Proportional to 99,662.88, 137,533.02 and 54,341.22

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Solution

The fourth proportional to 99,662.88, 137,533.02 and 54,341.22 is: 74,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,662.88 : 137,533.02 = 54,341.22 : x
  2. Step 2: Convert to fraction form
    99,662.88/137,533.02 = 54,341.22/x
  3. Step 3: Cross multiply
    99,662.88x = 137,533.02 × 54,341.22
  4. Step 4: Simplify right side
    99,662.88x = 7,473,712,097.08
  5. Step 5: Solve for x
    x = 7,473,712,097.08/99,662.88
  6. Step 6: Final answer
    x = 74,989.93

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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.