Home / 86,875.34-130,332.15-49,453.04

Finding the Fourth Proportional to 86,875.34, 130,332.15 and 49,453.04

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Solution

The fourth proportional to 86,875.34, 130,332.15 and 49,453.04 is: 74,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,875.34 : 130,332.15 = 49,453.04 : x
  2. Step 2: Convert to fraction form
    86,875.34/130,332.15 = 49,453.04/x
  3. Step 3: Cross multiply
    86,875.34x = 130,332.15 × 49,453.04
  4. Step 4: Simplify right side
    86,875.34x = 6,445,321,027.24
  5. Step 5: Solve for x
    x = 6,445,321,027.24/86,875.34
  6. Step 6: Final answer
    x = 74,190.46

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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.