Home / 86,417.34-129,606.54-31,013.34

Finding the Fourth Proportional to 86,417.34, 129,606.54 and 31,013.34

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Solution

The fourth proportional to 86,417.34, 129,606.54 and 31,013.34 is: 46,513.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,417.34 : 129,606.54 = 31,013.34 : x
  2. Step 2: Convert to fraction form
    86,417.34/129,606.54 = 31,013.34/x
  3. Step 3: Cross multiply
    86,417.34x = 129,606.54 × 31,013.34
  4. Step 4: Simplify right side
    86,417.34x = 4,019,531,691.24
  5. Step 5: Solve for x
    x = 4,019,531,691.24/86,417.34
  6. Step 6: Final answer
    x = 46,513.02

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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.