Home / 86,242.39-119,011.58-48,509.35

Finding the Fourth Proportional to 86,242.39, 119,011.58 and 48,509.35

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Solution

The fourth proportional to 86,242.39, 119,011.58 and 48,509.35 is: 66,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,242.39 : 119,011.58 = 48,509.35 : x
  2. Step 2: Convert to fraction form
    86,242.39/119,011.58 = 48,509.35/x
  3. Step 3: Cross multiply
    86,242.39x = 119,011.58 × 48,509.35
  4. Step 4: Simplify right side
    86,242.39x = 5,773,174,030.11
  5. Step 5: Solve for x
    x = 5,773,174,030.11/86,242.39
  6. Step 6: Final answer
    x = 66,941.26

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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.