Home / 72,010.34-99,346.55-45,106.01

Finding the Fourth Proportional to 72,010.34, 99,346.55 and 45,106.01

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Solution

The fourth proportional to 72,010.34, 99,346.55 and 45,106.01 is: 62,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,010.34 : 99,346.55 = 45,106.01 : x
  2. Step 2: Convert to fraction form
    72,010.34/99,346.55 = 45,106.01/x
  3. Step 3: Cross multiply
    72,010.34x = 99,346.55 × 45,106.01
  4. Step 4: Simplify right side
    72,010.34x = 4,481,126,838.90
  5. Step 5: Solve for x
    x = 4,481,126,838.90/72,010.34
  6. Step 6: Final answer
    x = 62,228.93

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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.