Home / 86,035.04-118,724.31-47,797.05

Finding the Fourth Proportional to 86,035.04, 118,724.31 and 47,797.05

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Solution

The fourth proportional to 86,035.04, 118,724.31 and 47,797.05 is: 65,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,035.04 : 118,724.31 = 47,797.05 : x
  2. Step 2: Convert to fraction form
    86,035.04/118,724.31 = 47,797.05/x
  3. Step 3: Cross multiply
    86,035.04x = 118,724.31 × 47,797.05
  4. Step 4: Simplify right side
    86,035.04x = 5,674,671,781.29
  5. Step 5: Solve for x
    x = 5,674,671,781.29/86,035.04
  6. Step 6: Final answer
    x = 65,957.69

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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.