Home / 113,813.28-157,071.02-62,835.82

Finding the Fourth Proportional to 113,813.28, 157,071.02 and 62,835.82

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Solution

The fourth proportional to 113,813.28, 157,071.02 and 62,835.82 is: 86,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,813.28 : 157,071.02 = 62,835.82 : x
  2. Step 2: Convert to fraction form
    113,813.28/157,071.02 = 62,835.82/x
  3. Step 3: Cross multiply
    113,813.28x = 157,071.02 × 62,835.82
  4. Step 4: Simplify right side
    113,813.28x = 9,869,685,633.08
  5. Step 5: Solve for x
    x = 9,869,685,633.08/113,813.28
  6. Step 6: Final answer
    x = 86,718.23

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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.