Home / 72,847.40-100,557.66-56,937.02

Finding the Fourth Proportional to 72,847.40, 100,557.66 and 56,937.02

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Solution

The fourth proportional to 72,847.40, 100,557.66 and 56,937.02 is: 78,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,847.40 : 100,557.66 = 56,937.02 : x
  2. Step 2: Convert to fraction form
    72,847.40/100,557.66 = 56,937.02/x
  3. Step 3: Cross multiply
    72,847.40x = 100,557.66 × 56,937.02
  4. Step 4: Simplify right side
    72,847.40x = 5,725,453,498.57
  5. Step 5: Solve for x
    x = 5,725,453,498.57/72,847.40
  6. Step 6: Final answer
    x = 78,595.17

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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.