Home / 86,054.31-129,001.21-29,088.58

Finding the Fourth Proportional to 86,054.31, 129,001.21 and 29,088.58

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Solution

The fourth proportional to 86,054.31, 129,001.21 and 29,088.58 is: 43,605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,054.31 : 129,001.21 = 29,088.58 : x
  2. Step 2: Convert to fraction form
    86,054.31/129,001.21 = 29,088.58/x
  3. Step 3: Cross multiply
    86,054.31x = 129,001.21 × 29,088.58
  4. Step 4: Simplify right side
    86,054.31x = 3,752,461,501.02
  5. Step 5: Solve for x
    x = 3,752,461,501.02/86,054.31
  6. Step 6: Final answer
    x = 43,605.74

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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.