Home / 86,669.13-130,003.71-31,265.13

Finding the Fourth Proportional to 86,669.13, 130,003.71 and 31,265.13

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Solution

The fourth proportional to 86,669.13, 130,003.71 and 31,265.13 is: 46,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,669.13 : 130,003.71 = 31,265.13 : x
  2. Step 2: Convert to fraction form
    86,669.13/130,003.71 = 31,265.13/x
  3. Step 3: Cross multiply
    86,669.13x = 130,003.71 × 31,265.13
  4. Step 4: Simplify right side
    86,669.13x = 4,064,582,893.63
  5. Step 5: Solve for x
    x = 4,064,582,893.63/86,669.13
  6. Step 6: Final answer
    x = 46,897.70

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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.