Home / 83,345.38-114,897.06-59,430.58

Finding the Fourth Proportional to 83,345.38, 114,897.06 and 59,430.58

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Solution

The fourth proportional to 83,345.38, 114,897.06 and 59,430.58 is: 81,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,345.38 : 114,897.06 = 59,430.58 : x
  2. Step 2: Convert to fraction form
    83,345.38/114,897.06 = 59,430.58/x
  3. Step 3: Cross multiply
    83,345.38x = 114,897.06 × 59,430.58
  4. Step 4: Simplify right side
    83,345.38x = 6,828,398,916.09
  5. Step 5: Solve for x
    x = 6,828,398,916.09/83,345.38
  6. Step 6: Final answer
    x = 81,928.94

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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.