Home / 86,570.24-119,529.60-56,848.64

Finding the Fourth Proportional to 86,570.24, 119,529.60 and 56,848.64

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Solution

The fourth proportional to 86,570.24, 119,529.60 and 56,848.64 is: 78,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,570.24 : 119,529.60 = 56,848.64 : x
  2. Step 2: Convert to fraction form
    86,570.24/119,529.60 = 56,848.64/x
  3. Step 3: Cross multiply
    86,570.24x = 119,529.60 × 56,848.64
  4. Step 4: Simplify right side
    86,570.24x = 6,795,095,199.74
  5. Step 5: Solve for x
    x = 6,795,095,199.74/86,570.24
  6. Step 6: Final answer
    x = 78,492.28

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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.