Home / 86,875.06-130,224.30-34,212.10

Finding the Fourth Proportional to 86,875.06, 130,224.30 and 34,212.10

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Solution

The fourth proportional to 86,875.06, 130,224.30 and 34,212.10 is: 51,283.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,875.06 : 130,224.30 = 34,212.10 : x
  2. Step 2: Convert to fraction form
    86,875.06/130,224.30 = 34,212.10/x
  3. Step 3: Cross multiply
    86,875.06x = 130,224.30 × 34,212.10
  4. Step 4: Simplify right side
    86,875.06x = 4,455,246,774.03
  5. Step 5: Solve for x
    x = 4,455,246,774.03/86,875.06
  6. Step 6: Final answer
    x = 51,283.38

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1.5x scale

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.