Home / 99,528.37-137,347.08-54,207.13

Finding the Fourth Proportional to 99,528.37, 137,347.08 and 54,207.13

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Solution

The fourth proportional to 99,528.37, 137,347.08 and 54,207.13 is: 74,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,528.37 : 137,347.08 = 54,207.13 : x
  2. Step 2: Convert to fraction form
    99,528.37/137,347.08 = 54,207.13/x
  3. Step 3: Cross multiply
    99,528.37x = 137,347.08 × 54,207.13
  4. Step 4: Simplify right side
    99,528.37x = 7,445,191,020.68
  5. Step 5: Solve for x
    x = 7,445,191,020.68/99,528.37
  6. Step 6: Final answer
    x = 74,804.71

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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.