Home / 74,437.92-102,720.96-46,146.24

Finding the Fourth Proportional to 74,437.92, 102,720.96 and 46,146.24

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Solution

The fourth proportional to 74,437.92, 102,720.96 and 46,146.24 is: 63,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,437.92 : 102,720.96 = 46,146.24 : x
  2. Step 2: Convert to fraction form
    74,437.92/102,720.96 = 46,146.24/x
  3. Step 3: Cross multiply
    74,437.92x = 102,720.96 × 46,146.24
  4. Step 4: Simplify right side
    74,437.92x = 4,740,186,073.19
  5. Step 5: Solve for x
    x = 4,740,186,073.19/74,437.92
  6. Step 6: Final answer
    x = 63,679.72

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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.