Home / 86,664.40-119,528.92-56,459.24

Finding the Fourth Proportional to 86,664.40, 119,528.92 and 56,459.24

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Solution

The fourth proportional to 86,664.40, 119,528.92 and 56,459.24 is: 77,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,664.40 : 119,528.92 = 56,459.24 : x
  2. Step 2: Convert to fraction form
    86,664.40/119,528.92 = 56,459.24/x
  3. Step 3: Cross multiply
    86,664.40x = 119,528.92 × 56,459.24
  4. Step 4: Simplify right side
    86,664.40x = 6,748,511,981.22
  5. Step 5: Solve for x
    x = 6,748,511,981.22/86,664.40
  6. Step 6: Final answer
    x = 77,869.48

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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.