Home / 78,448.01-108,261.47-44,456.13

Finding the Fourth Proportional to 78,448.01, 108,261.47 and 44,456.13

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Solution

The fourth proportional to 78,448.01, 108,261.47 and 44,456.13 is: 61,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,448.01 : 108,261.47 = 44,456.13 : x
  2. Step 2: Convert to fraction form
    78,448.01/108,261.47 = 44,456.13/x
  3. Step 3: Cross multiply
    78,448.01x = 108,261.47 × 44,456.13
  4. Step 4: Simplify right side
    78,448.01x = 4,812,885,984.31
  5. Step 5: Solve for x
    x = 4,812,885,984.31/78,448.01
  6. Step 6: Final answer
    x = 61,351.28

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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.