Home / 86,270.34-129,411.59-23,090.34

Finding the Fourth Proportional to 86,270.34, 129,411.59 and 23,090.34

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Solution

The fourth proportional to 86,270.34, 129,411.59 and 23,090.34 is: 34,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,270.34 : 129,411.59 = 23,090.34 : x
  2. Step 2: Convert to fraction form
    86,270.34/129,411.59 = 23,090.34/x
  3. Step 3: Cross multiply
    86,270.34x = 129,411.59 × 23,090.34
  4. Step 4: Simplify right side
    86,270.34x = 2,988,157,497.59
  5. Step 5: Solve for x
    x = 2,988,157,497.59/86,270.34
  6. Step 6: Final answer
    x = 34,637.14

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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.