Home / 77,567.30-107,055.58-64,626.06

Finding the Fourth Proportional to 77,567.30, 107,055.58 and 64,626.06

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Solution

The fourth proportional to 77,567.30, 107,055.58 and 64,626.06 is: 89,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,567.30 : 107,055.58 = 64,626.06 : x
  2. Step 2: Convert to fraction form
    77,567.30/107,055.58 = 64,626.06/x
  3. Step 3: Cross multiply
    77,567.30x = 107,055.58 × 64,626.06
  4. Step 4: Simplify right side
    77,567.30x = 6,918,580,336.41
  5. Step 5: Solve for x
    x = 6,918,580,336.41/77,567.30
  6. Step 6: Final answer
    x = 89,194.55

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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.