Home / 113,803.28-157,048.54-62,816.03

Finding the Fourth Proportional to 113,803.28, 157,048.54 and 62,816.03

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Solution

The fourth proportional to 113,803.28, 157,048.54 and 62,816.03 is: 86,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,803.28 : 157,048.54 = 62,816.03 : x
  2. Step 2: Convert to fraction form
    113,803.28/157,048.54 = 62,816.03/x
  3. Step 3: Cross multiply
    113,803.28x = 157,048.54 × 62,816.03
  4. Step 4: Simplify right side
    113,803.28x = 9,865,165,623.41
  5. Step 5: Solve for x
    x = 9,865,165,623.41/113,803.28
  6. Step 6: Final answer
    x = 86,686.13

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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.