Home / 72,920.66-109,233.36-56,222.91

Finding the Fourth Proportional to 72,920.66, 109,233.36 and 56,222.91

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Solution

The fourth proportional to 72,920.66, 109,233.36 and 56,222.91 is: 84,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,920.66 : 109,233.36 = 56,222.91 : x
  2. Step 2: Convert to fraction form
    72,920.66/109,233.36 = 56,222.91/x
  3. Step 3: Cross multiply
    72,920.66x = 109,233.36 × 56,222.91
  4. Step 4: Simplify right side
    72,920.66x = 6,141,417,368.28
  5. Step 5: Solve for x
    x = 6,141,417,368.28/72,920.66
  6. Step 6: Final answer
    x = 84,220.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.