Home / 66,106.16-99,159.36-46,472.56

Finding the Fourth Proportional to 66,106.16, 99,159.36 and 46,472.56

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Solution

The fourth proportional to 66,106.16, 99,159.36 and 46,472.56 is: 69,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,106.16 : 99,159.36 = 46,472.56 : x
  2. Step 2: Convert to fraction form
    66,106.16/99,159.36 = 46,472.56/x
  3. Step 3: Cross multiply
    66,106.16x = 99,159.36 × 46,472.56
  4. Step 4: Simplify right side
    66,106.16x = 4,608,189,307.16
  5. Step 5: Solve for x
    x = 4,608,189,307.16/66,106.16
  6. Step 6: Final answer
    x = 69,708.92

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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.