Home / 99,501.37-137,314.51-54,181.26

Finding the Fourth Proportional to 99,501.37, 137,314.51 and 54,181.26

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Solution

The fourth proportional to 99,501.37, 137,314.51 and 54,181.26 is: 74,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,501.37 : 137,314.51 = 54,181.26 : x
  2. Step 2: Convert to fraction form
    99,501.37/137,314.51 = 54,181.26/x
  3. Step 3: Cross multiply
    99,501.37x = 137,314.51 × 54,181.26
  4. Step 4: Simplify right side
    99,501.37x = 7,439,872,897.18
  5. Step 5: Solve for x
    x = 7,439,872,897.18/99,501.37
  6. Step 6: Final answer
    x = 74,771.57

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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.