Home / 77,519.60-106,975.68-43,528.35

Finding the Fourth Proportional to 77,519.60, 106,975.68 and 43,528.35

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Solution

The fourth proportional to 77,519.60, 106,975.68 and 43,528.35 is: 60,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,519.60 : 106,975.68 = 43,528.35 : x
  2. Step 2: Convert to fraction form
    77,519.60/106,975.68 = 43,528.35/x
  3. Step 3: Cross multiply
    77,519.60x = 106,975.68 × 43,528.35
  4. Step 4: Simplify right side
    77,519.60x = 4,656,474,840.53
  5. Step 5: Solve for x
    x = 4,656,474,840.53/77,519.60
  6. Step 6: Final answer
    x = 60,068.35

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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.