Home / 113,803.84-157,049.32-62,816.59

Finding the Fourth Proportional to 113,803.84, 157,049.32 and 62,816.59

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Solution

The fourth proportional to 113,803.84, 157,049.32 and 62,816.59 is: 86,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,803.84 : 157,049.32 = 62,816.59 : x
  2. Step 2: Convert to fraction form
    113,803.84/157,049.32 = 62,816.59/x
  3. Step 3: Cross multiply
    113,803.84x = 157,049.32 × 62,816.59
  4. Step 4: Simplify right side
    113,803.84x = 9,865,302,901.27
  5. Step 5: Solve for x
    x = 9,865,302,901.27/113,803.84
  6. Step 6: Final answer
    x = 86,686.91

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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.