Home / 111,293.03-153,637.59-63,537.17

Finding the Fourth Proportional to 111,293.03, 153,637.59 and 63,537.17

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Solution

The fourth proportional to 111,293.03, 153,637.59 and 63,537.17 is: 87,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,293.03 : 153,637.59 = 63,537.17 : x
  2. Step 2: Convert to fraction form
    111,293.03/153,637.59 = 63,537.17/x
  3. Step 3: Cross multiply
    111,293.03x = 153,637.59 × 63,537.17
  4. Step 4: Simplify right side
    111,293.03x = 9,761,696,906.03
  5. Step 5: Solve for x
    x = 9,761,696,906.03/111,293.03
  6. Step 6: Final answer
    x = 87,711.67

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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.