Home / 99,595.77-137,440.41-54,274.08

Finding the Fourth Proportional to 99,595.77, 137,440.41 and 54,274.08

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Solution

The fourth proportional to 99,595.77, 137,440.41 and 54,274.08 is: 74,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,595.77 : 137,440.41 = 54,274.08 : x
  2. Step 2: Convert to fraction form
    99,595.77/137,440.41 = 54,274.08/x
  3. Step 3: Cross multiply
    99,595.77x = 137,440.41 × 54,274.08
  4. Step 4: Simplify right side
    99,595.77x = 7,459,451,807.57
  5. Step 5: Solve for x
    x = 7,459,451,807.57/99,595.77
  6. Step 6: Final answer
    x = 74,897.28

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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.