Home / 78,216.19-107,937.68-44,231.35

Finding the Fourth Proportional to 78,216.19, 107,937.68 and 44,231.35

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Solution

The fourth proportional to 78,216.19, 107,937.68 and 44,231.35 is: 61,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,216.19 : 107,937.68 = 44,231.35 : x
  2. Step 2: Convert to fraction form
    78,216.19/107,937.68 = 44,231.35/x
  3. Step 3: Cross multiply
    78,216.19x = 107,937.68 × 44,231.35
  4. Step 4: Simplify right side
    78,216.19x = 4,774,228,762.58
  5. Step 5: Solve for x
    x = 4,774,228,762.58/78,216.19
  6. Step 6: Final answer
    x = 61,038.89

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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.