Home / 66,427.19-99,664.53-28,460.51

Finding the Fourth Proportional to 66,427.19, 99,664.53 and 28,460.51

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Solution

The fourth proportional to 66,427.19, 99,664.53 and 28,460.51 is: 42,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427.19 : 99,664.53 = 28,460.51 : x
  2. Step 2: Convert to fraction form
    66,427.19/99,664.53 = 28,460.51/x
  3. Step 3: Cross multiply
    66,427.19x = 99,664.53 × 28,460.51
  4. Step 4: Simplify right side
    66,427.19x = 2,836,502,854.39
  5. Step 5: Solve for x
    x = 2,836,502,854.39/66,427.19
  6. Step 6: Final answer
    x = 42,700.93

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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.