Home / 91,160.04-136,740-46,762.08

Finding the Fourth Proportional to 91,160.04, 136,740 and 46,762.08

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Solution

The fourth proportional to 91,160.04, 136,740 and 46,762.08 is: 70,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,160.04 : 136,740 = 46,762.08 : x
  2. Step 2: Convert to fraction form
    91,160.04/136,740 = 46,762.08/x
  3. Step 3: Cross multiply
    91,160.04x = 136,740 × 46,762.08
  4. Step 4: Simplify right side
    91,160.04x = 6,394,246,819.20
  5. Step 5: Solve for x
    x = 6,394,246,819.20/91,160.04
  6. Step 6: Final answer
    x = 70,143.09

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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.