Home / 83,345.88-114,897.75-59,431.08

Finding the Fourth Proportional to 83,345.88, 114,897.75 and 59,431.08

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Solution

The fourth proportional to 83,345.88, 114,897.75 and 59,431.08 is: 81,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,345.88 : 114,897.75 = 59,431.08 : x
  2. Step 2: Convert to fraction form
    83,345.88/114,897.75 = 59,431.08/x
  3. Step 3: Cross multiply
    83,345.88x = 114,897.75 × 59,431.08
  4. Step 4: Simplify right side
    83,345.88x = 6,828,497,372.07
  5. Step 5: Solve for x
    x = 6,828,497,372.07/83,345.88
  6. Step 6: Final answer
    x = 81,929.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.