Home / 111,292.65-153,637.05-63,536.77

Finding the Fourth Proportional to 111,292.65, 153,637.05 and 63,536.77

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Solution

The fourth proportional to 111,292.65, 153,637.05 and 63,536.77 is: 87,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,292.65 : 153,637.05 = 63,536.77 : x
  2. Step 2: Convert to fraction form
    111,292.65/153,637.05 = 63,536.77/x
  3. Step 3: Cross multiply
    111,292.65x = 153,637.05 × 63,536.77
  4. Step 4: Simplify right side
    111,292.65x = 9,761,602,339.64
  5. Step 5: Solve for x
    x = 9,761,602,339.64/111,292.65
  6. Step 6: Final answer
    x = 87,711.11

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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.