Home / 86,941.12-119,980.28-48,700.35

Finding the Fourth Proportional to 86,941.12, 119,980.28 and 48,700.35

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Solution

The fourth proportional to 86,941.12, 119,980.28 and 48,700.35 is: 67,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,941.12 : 119,980.28 = 48,700.35 : x
  2. Step 2: Convert to fraction form
    86,941.12/119,980.28 = 48,700.35/x
  3. Step 3: Cross multiply
    86,941.12x = 119,980.28 × 48,700.35
  4. Step 4: Simplify right side
    86,941.12x = 5,843,081,629.10
  5. Step 5: Solve for x
    x = 5,843,081,629.10/86,941.12
  6. Step 6: Final answer
    x = 67,207.34

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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.