Home / 72,927.04-100,648.48-42,723.89

Finding the Fourth Proportional to 72,927.04, 100,648.48 and 42,723.89

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Solution

The fourth proportional to 72,927.04, 100,648.48 and 42,723.89 is: 58,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,927.04 : 100,648.48 = 42,723.89 : x
  2. Step 2: Convert to fraction form
    72,927.04/100,648.48 = 42,723.89/x
  3. Step 3: Cross multiply
    72,927.04x = 100,648.48 × 42,723.89
  4. Step 4: Simplify right side
    72,927.04x = 4,300,094,084.94
  5. Step 5: Solve for x
    x = 4,300,094,084.94/72,927.04
  6. Step 6: Final answer
    x = 58,964.33

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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.