Home / 61,139.06-91,689.63-29,529.48

Finding the Fourth Proportional to 61,139.06, 91,689.63 and 29,529.48

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Solution

The fourth proportional to 61,139.06, 91,689.63 and 29,529.48 is: 44,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,139.06 : 91,689.63 = 29,529.48 : x
  2. Step 2: Convert to fraction form
    61,139.06/91,689.63 = 29,529.48/x
  3. Step 3: Cross multiply
    61,139.06x = 91,689.63 × 29,529.48
  4. Step 4: Simplify right side
    61,139.06x = 2,707,547,095.29
  5. Step 5: Solve for x
    x = 2,707,547,095.29/61,139.06
  6. Step 6: Final answer
    x = 44,285.06

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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.