Home / 86,966.08-130,492.89-64,823.92

Finding the Fourth Proportional to 86,966.08, 130,492.89 and 64,823.92

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Solution

The fourth proportional to 86,966.08, 130,492.89 and 64,823.92 is: 97,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,966.08 : 130,492.89 = 64,823.92 : x
  2. Step 2: Convert to fraction form
    86,966.08/130,492.89 = 64,823.92/x
  3. Step 3: Cross multiply
    86,966.08x = 130,492.89 × 64,823.92
  4. Step 4: Simplify right side
    86,966.08x = 8,459,060,661.93
  5. Step 5: Solve for x
    x = 8,459,060,661.93/86,966.08
  6. Step 6: Final answer
    x = 97,268.51

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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.