Home / 72,867.53-100,557.40-42,246.58

Finding the Fourth Proportional to 72,867.53, 100,557.40 and 42,246.58

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Solution

The fourth proportional to 72,867.53, 100,557.40 and 42,246.58 is: 58,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,867.53 : 100,557.40 = 42,246.58 : x
  2. Step 2: Convert to fraction form
    72,867.53/100,557.40 = 42,246.58/x
  3. Step 3: Cross multiply
    72,867.53x = 100,557.40 × 42,246.58
  4. Step 4: Simplify right side
    72,867.53x = 4,248,206,276.42
  5. Step 5: Solve for x
    x = 4,248,206,276.42/72,867.53
  6. Step 6: Final answer
    x = 58,300.40

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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.