Home / 78,305.16-108,086.81-46,038.22

Finding the Fourth Proportional to 78,305.16, 108,086.81 and 46,038.22

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Solution

The fourth proportional to 78,305.16, 108,086.81 and 46,038.22 is: 63,547.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,305.16 : 108,086.81 = 46,038.22 : x
  2. Step 2: Convert to fraction form
    78,305.16/108,086.81 = 46,038.22/x
  3. Step 3: Cross multiply
    78,305.16x = 108,086.81 × 46,038.22
  4. Step 4: Simplify right side
    78,305.16x = 4,976,123,997.09
  5. Step 5: Solve for x
    x = 4,976,123,997.09/78,305.16
  6. Step 6: Final answer
    x = 63,547.84

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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.