Home / 84,812.04-117,150.84-64,545.84

Finding the Fourth Proportional to 84,812.04, 117,150.84 and 64,545.84

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Solution

The fourth proportional to 84,812.04, 117,150.84 and 64,545.84 is: 89,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,812.04 : 117,150.84 = 64,545.84 : x
  2. Step 2: Convert to fraction form
    84,812.04/117,150.84 = 64,545.84/x
  3. Step 3: Cross multiply
    84,812.04x = 117,150.84 × 64,545.84
  4. Step 4: Simplify right side
    84,812.04x = 7,561,599,374.51
  5. Step 5: Solve for x
    x = 7,561,599,374.51/84,812.04
  6. Step 6: Final answer
    x = 89,157.15

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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.