Home / 86,900.90-119,925.36-48,660.12

Finding the Fourth Proportional to 86,900.90, 119,925.36 and 48,660.12

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Solution

The fourth proportional to 86,900.90, 119,925.36 and 48,660.12 is: 67,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,900.90 : 119,925.36 = 48,660.12 : x
  2. Step 2: Convert to fraction form
    86,900.90/119,925.36 = 48,660.12/x
  3. Step 3: Cross multiply
    86,900.90x = 119,925.36 × 48,660.12
  4. Step 4: Simplify right side
    86,900.90x = 5,835,582,408.64
  5. Step 5: Solve for x
    x = 5,835,582,408.64/86,900.90
  6. Step 6: Final answer
    x = 67,152.16

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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.