Home / 86,582.40-129,873.60-47,216.40

Finding the Fourth Proportional to 86,582.40, 129,873.60 and 47,216.40

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Solution

The fourth proportional to 86,582.40, 129,873.60 and 47,216.40 is: 70,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,582.40 : 129,873.60 = 47,216.40 : x
  2. Step 2: Convert to fraction form
    86,582.40/129,873.60 = 47,216.40/x
  3. Step 3: Cross multiply
    86,582.40x = 129,873.60 × 47,216.40
  4. Step 4: Simplify right side
    86,582.40x = 6,132,163,847.04
  5. Step 5: Solve for x
    x = 6,132,163,847.04/86,582.40
  6. Step 6: Final answer
    x = 70,824.60

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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.