Home / 78,206.07-107,924.10-43,750.88

Finding the Fourth Proportional to 78,206.07, 107,924.10 and 43,750.88

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Solution

The fourth proportional to 78,206.07, 107,924.10 and 43,750.88 is: 60,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,206.07 : 107,924.10 = 43,750.88 : x
  2. Step 2: Convert to fraction form
    78,206.07/107,924.10 = 43,750.88/x
  3. Step 3: Cross multiply
    78,206.07x = 107,924.10 × 43,750.88
  4. Step 4: Simplify right side
    78,206.07x = 4,721,774,656.31
  5. Step 5: Solve for x
    x = 4,721,774,656.31/78,206.07
  6. Step 6: Final answer
    x = 60,376.06

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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.