Home / 91,032.12-136,548.18-59,860.08

Finding the Fourth Proportional to 91,032.12, 136,548.18 and 59,860.08

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Solution

The fourth proportional to 91,032.12, 136,548.18 and 59,860.08 is: 89,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,032.12 : 136,548.18 = 59,860.08 : x
  2. Step 2: Convert to fraction form
    91,032.12/136,548.18 = 59,860.08/x
  3. Step 3: Cross multiply
    91,032.12x = 136,548.18 × 59,860.08
  4. Step 4: Simplify right side
    91,032.12x = 8,173,784,978.65
  5. Step 5: Solve for x
    x = 8,173,784,978.65/91,032.12
  6. Step 6: Final answer
    x = 89,790.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.