Home / 99,594.08-137,438.58-54,274.04

Finding the Fourth Proportional to 99,594.08, 137,438.58 and 54,274.04

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Solution

The fourth proportional to 99,594.08, 137,438.58 and 54,274.04 is: 74,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,594.08 : 137,438.58 = 54,274.04 : x
  2. Step 2: Convert to fraction form
    99,594.08/137,438.58 = 54,274.04/x
  3. Step 3: Cross multiply
    99,594.08x = 137,438.58 × 54,274.04
  4. Step 4: Simplify right side
    99,594.08x = 7,459,346,988.46
  5. Step 5: Solve for x
    x = 7,459,346,988.46/99,594.08
  6. Step 6: Final answer
    x = 74,897.49

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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.