Home / 72,557.32-100,166.67-56,388.52

Finding the Fourth Proportional to 72,557.32, 100,166.67 and 56,388.52

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Solution

The fourth proportional to 72,557.32, 100,166.67 and 56,388.52 is: 77,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,557.32 : 100,166.67 = 56,388.52 : x
  2. Step 2: Convert to fraction form
    72,557.32/100,166.67 = 56,388.52/x
  3. Step 3: Cross multiply
    72,557.32x = 100,166.67 × 56,388.52
  4. Step 4: Simplify right side
    72,557.32x = 5,648,250,274.63
  5. Step 5: Solve for x
    x = 5,648,250,274.63/72,557.32
  6. Step 6: Final answer
    x = 77,845.35

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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.