Home / 65,555.24-90,513.32-45,377.19

Finding the Fourth Proportional to 65,555.24, 90,513.32 and 45,377.19

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Solution

The fourth proportional to 65,555.24, 90,513.32 and 45,377.19 is: 62,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.24 : 90,513.32 = 45,377.19 : x
  2. Step 2: Convert to fraction form
    65,555.24/90,513.32 = 45,377.19/x
  3. Step 3: Cross multiply
    65,555.24x = 90,513.32 × 45,377.19
  4. Step 4: Simplify right side
    65,555.24x = 4,107,239,892.28
  5. Step 5: Solve for x
    x = 4,107,239,892.28/65,555.24
  6. Step 6: Final answer
    x = 62,653.12

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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.