Home / 111,607.74-153,975.06-63,835.56

Finding the Fourth Proportional to 111,607.74, 153,975.06 and 63,835.56

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Solution

The fourth proportional to 111,607.74, 153,975.06 and 63,835.56 is: 88,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,607.74 : 153,975.06 = 63,835.56 : x
  2. Step 2: Convert to fraction form
    111,607.74/153,975.06 = 63,835.56/x
  3. Step 3: Cross multiply
    111,607.74x = 153,975.06 × 63,835.56
  4. Step 4: Simplify right side
    111,607.74x = 9,829,084,181.13
  5. Step 5: Solve for x
    x = 9,829,084,181.13/111,607.74
  6. Step 6: Final answer
    x = 88,068.12

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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.