Home / 111,248.40-153,533.79-63,508.95

Finding the Fourth Proportional to 111,248.40, 153,533.79 and 63,508.95

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Solution

The fourth proportional to 111,248.40, 153,533.79 and 63,508.95 is: 87,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,248.40 : 153,533.79 = 63,508.95 : x
  2. Step 2: Convert to fraction form
    111,248.40/153,533.79 = 63,508.95/x
  3. Step 3: Cross multiply
    111,248.40x = 153,533.79 × 63,508.95
  4. Step 4: Simplify right side
    111,248.40x = 9,750,769,792.42
  5. Step 5: Solve for x
    x = 9,750,769,792.42/111,248.40
  6. Step 6: Final answer
    x = 87,648.63

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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.