Home / 98,916.18-136,501.44-58,079.70

Finding the Fourth Proportional to 98,916.18, 136,501.44 and 58,079.70

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Solution

The fourth proportional to 98,916.18, 136,501.44 and 58,079.70 is: 80,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,916.18 : 136,501.44 = 58,079.70 : x
  2. Step 2: Convert to fraction form
    98,916.18/136,501.44 = 58,079.70/x
  3. Step 3: Cross multiply
    98,916.18x = 136,501.44 × 58,079.70
  4. Step 4: Simplify right side
    98,916.18x = 7,927,962,684.77
  5. Step 5: Solve for x
    x = 7,927,962,684.77/98,916.18
  6. Step 6: Final answer
    x = 80,148.29

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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.