Home / 106,883.02-147,475.59-64,440.64

Finding the Fourth Proportional to 106,883.02, 147,475.59 and 64,440.64

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Solution

The fourth proportional to 106,883.02, 147,475.59 and 64,440.64 is: 88,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,883.02 : 147,475.59 = 64,440.64 : x
  2. Step 2: Convert to fraction form
    106,883.02/147,475.59 = 64,440.64/x
  3. Step 3: Cross multiply
    106,883.02x = 147,475.59 × 64,440.64
  4. Step 4: Simplify right side
    106,883.02x = 9,503,421,403.98
  5. Step 5: Solve for x
    x = 9,503,421,403.98/106,883.02
  6. Step 6: Final answer
    x = 88,914.23

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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.