Home / 91,176.29-136,812.59-64,693.42

Finding the Fourth Proportional to 91,176.29, 136,812.59 and 64,693.42

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Solution

The fourth proportional to 91,176.29, 136,812.59 and 64,693.42 is: 97,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,176.29 : 136,812.59 = 64,693.42 : x
  2. Step 2: Convert to fraction form
    91,176.29/136,812.59 = 64,693.42/x
  3. Step 3: Cross multiply
    91,176.29x = 136,812.59 × 64,693.42
  4. Step 4: Simplify right side
    91,176.29x = 8,850,874,346.16
  5. Step 5: Solve for x
    x = 8,850,874,346.16/91,176.29
  6. Step 6: Final answer
    x = 97,074.30

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1.5x scale

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.