Home / 79,548.23-109,776.78-45,557.25

Finding the Fourth Proportional to 79,548.23, 109,776.78 and 45,557.25

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Solution

The fourth proportional to 79,548.23, 109,776.78 and 45,557.25 is: 62,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,548.23 : 109,776.78 = 45,557.25 : x
  2. Step 2: Convert to fraction form
    79,548.23/109,776.78 = 45,557.25/x
  3. Step 3: Cross multiply
    79,548.23x = 109,776.78 × 45,557.25
  4. Step 4: Simplify right side
    79,548.23x = 5,001,128,210.66
  5. Step 5: Solve for x
    x = 5,001,128,210.66/79,548.23
  6. Step 6: Final answer
    x = 62,869.14

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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.