Home / 78,767.33-108,637.48-50,475.65

Finding the Fourth Proportional to 78,767.33, 108,637.48 and 50,475.65

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Solution

The fourth proportional to 78,767.33, 108,637.48 and 50,475.65 is: 69,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,767.33 : 108,637.48 = 50,475.65 : x
  2. Step 2: Convert to fraction form
    78,767.33/108,637.48 = 50,475.65/x
  3. Step 3: Cross multiply
    78,767.33x = 108,637.48 × 50,475.65
  4. Step 4: Simplify right side
    78,767.33x = 5,483,547,417.36
  5. Step 5: Solve for x
    x = 5,483,547,417.36/78,767.33
  6. Step 6: Final answer
    x = 69,617.03

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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.