Home / 86,315.68-119,047.44-56,501.92

Finding the Fourth Proportional to 86,315.68, 119,047.44 and 56,501.92

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Solution

The fourth proportional to 86,315.68, 119,047.44 and 56,501.92 is: 77,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,315.68 : 119,047.44 = 56,501.92 : x
  2. Step 2: Convert to fraction form
    86,315.68/119,047.44 = 56,501.92/x
  3. Step 3: Cross multiply
    86,315.68x = 119,047.44 × 56,501.92
  4. Step 4: Simplify right side
    86,315.68x = 6,726,408,931.08
  5. Step 5: Solve for x
    x = 6,726,408,931.08/86,315.68
  6. Step 6: Final answer
    x = 77,928.01

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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.