Home / 76,927.55-106,165.35-42,942.71

Finding the Fourth Proportional to 76,927.55, 106,165.35 and 42,942.71

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Solution

The fourth proportional to 76,927.55, 106,165.35 and 42,942.71 is: 59,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,927.55 : 106,165.35 = 42,942.71 : x
  2. Step 2: Convert to fraction form
    76,927.55/106,165.35 = 42,942.71/x
  3. Step 3: Cross multiply
    76,927.55x = 106,165.35 × 42,942.71
  4. Step 4: Simplify right side
    76,927.55x = 4,559,028,102.51
  5. Step 5: Solve for x
    x = 4,559,028,102.51/76,927.55
  6. Step 6: Final answer
    x = 59,263.92

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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.