Home / 113,739.53-156,959.53-62,752.70

Finding the Fourth Proportional to 113,739.53, 156,959.53 and 62,752.70

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Solution

The fourth proportional to 113,739.53, 156,959.53 and 62,752.70 is: 86,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,739.53 : 156,959.53 = 62,752.70 : x
  2. Step 2: Convert to fraction form
    113,739.53/156,959.53 = 62,752.70/x
  3. Step 3: Cross multiply
    113,739.53x = 156,959.53 × 62,752.70
  4. Step 4: Simplify right side
    113,739.53x = 9,849,634,533.75
  5. Step 5: Solve for x
    x = 9,849,634,533.75/113,739.53
  6. Step 6: Final answer
    x = 86,598.17

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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.