Home / 111,441.13-153,791.46-61,140.13

Finding the Fourth Proportional to 111,441.13, 153,791.46 and 61,140.13

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Solution

The fourth proportional to 111,441.13, 153,791.46 and 61,140.13 is: 84,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,441.13 : 153,791.46 = 61,140.13 : x
  2. Step 2: Convert to fraction form
    111,441.13/153,791.46 = 61,140.13/x
  3. Step 3: Cross multiply
    111,441.13x = 153,791.46 × 61,140.13
  4. Step 4: Simplify right side
    111,441.13x = 9,402,828,782.63
  5. Step 5: Solve for x
    x = 9,402,828,782.63/111,441.13
  6. Step 6: Final answer
    x = 84,374.86

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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.