Home / 98,916.54-136,552.13-56,466.87

Finding the Fourth Proportional to 98,916.54, 136,552.13 and 56,466.87

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Solution

The fourth proportional to 98,916.54, 136,552.13 and 56,466.87 is: 77,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,916.54 : 136,552.13 = 56,466.87 : x
  2. Step 2: Convert to fraction form
    98,916.54/136,552.13 = 56,466.87/x
  3. Step 3: Cross multiply
    98,916.54x = 136,552.13 × 56,466.87
  4. Step 4: Simplify right side
    98,916.54x = 7,710,671,372.93
  5. Step 5: Solve for x
    x = 7,710,671,372.93/98,916.54
  6. Step 6: Final answer
    x = 77,951.28

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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.