Home / 98,114.04-135,438.53-66,326.00

Finding the Fourth Proportional to 98,114.04, 135,438.53 and 66,326.00

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Solution

The fourth proportional to 98,114.04, 135,438.53 and 66,326.00 is: 91,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,114.04 : 135,438.53 = 66,326.00 : x
  2. Step 2: Convert to fraction form
    98,114.04/135,438.53 = 66,326.00/x
  3. Step 3: Cross multiply
    98,114.04x = 135,438.53 × 66,326.00
  4. Step 4: Simplify right side
    98,114.04x = 8,983,094,931.96
  5. Step 5: Solve for x
    x = 8,983,094,931.96/98,114.04
  6. Step 6: Final answer
    x = 91,557.69

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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.