Home / 98,916.29-136,551.78-56,466.62

Finding the Fourth Proportional to 98,916.29, 136,551.78 and 56,466.62

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Solution

The fourth proportional to 98,916.29, 136,551.78 and 56,466.62 is: 77,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,916.29 : 136,551.78 = 56,466.62 : x
  2. Step 2: Convert to fraction form
    98,916.29/136,551.78 = 56,466.62/x
  3. Step 3: Cross multiply
    98,916.29x = 136,551.78 × 56,466.62
  4. Step 4: Simplify right side
    98,916.29x = 7,710,616,788.82
  5. Step 5: Solve for x
    x = 7,710,616,788.82/98,916.29
  6. Step 6: Final answer
    x = 77,950.93

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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.