Home / 61,805.19-92,643.13-28,547.07

Finding the Fourth Proportional to 61,805.19, 92,643.13 and 28,547.07

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Solution

The fourth proportional to 61,805.19, 92,643.13 and 28,547.07 is: 42,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,805.19 : 92,643.13 = 28,547.07 : x
  2. Step 2: Convert to fraction form
    61,805.19/92,643.13 = 28,547.07/x
  3. Step 3: Cross multiply
    61,805.19x = 92,643.13 × 28,547.07
  4. Step 4: Simplify right side
    61,805.19x = 2,644,689,917.13
  5. Step 5: Solve for x
    x = 2,644,689,917.13/61,805.19
  6. Step 6: Final answer
    x = 42,790.74

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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.