Home / 66,412.11-99,626.81-26,970.51

Finding the Fourth Proportional to 66,412.11, 99,626.81 and 26,970.51

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Solution

The fourth proportional to 66,412.11, 99,626.81 and 26,970.51 is: 40,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,412.11 : 99,626.81 = 26,970.51 : x
  2. Step 2: Convert to fraction form
    66,412.11/99,626.81 = 26,970.51/x
  3. Step 3: Cross multiply
    66,412.11x = 99,626.81 × 26,970.51
  4. Step 4: Simplify right side
    66,412.11x = 2,686,985,740.52
  5. Step 5: Solve for x
    x = 2,686,985,740.52/66,412.11
  6. Step 6: Final answer
    x = 40,459.27

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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.