Home / 77,637.12-107,136-44,106.24

Finding the Fourth Proportional to 77,637.12, 107,136 and 44,106.24

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Solution

The fourth proportional to 77,637.12, 107,136 and 44,106.24 is: 60,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,637.12 : 107,136 = 44,106.24 : x
  2. Step 2: Convert to fraction form
    77,637.12/107,136 = 44,106.24/x
  3. Step 3: Cross multiply
    77,637.12x = 107,136 × 44,106.24
  4. Step 4: Simplify right side
    77,637.12x = 4,725,366,128.64
  5. Step 5: Solve for x
    x = 4,725,366,128.64/77,637.12
  6. Step 6: Final answer
    x = 60,864.78

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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.