Home / 111,330.64-153,627.84-63,577.52

Finding the Fourth Proportional to 111,330.64, 153,627.84 and 63,577.52

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Solution

The fourth proportional to 111,330.64, 153,627.84 and 63,577.52 is: 87,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,330.64 : 153,627.84 = 63,577.52 : x
  2. Step 2: Convert to fraction form
    111,330.64/153,627.84 = 63,577.52/x
  3. Step 3: Cross multiply
    111,330.64x = 153,627.84 × 63,577.52
  4. Step 4: Simplify right side
    111,330.64x = 9,767,277,070.16
  5. Step 5: Solve for x
    x = 9,767,277,070.16/111,330.64
  6. Step 6: Final answer
    x = 87,732.16

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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.