Home / 98,746.52-136,269.81-53,424.35

Finding the Fourth Proportional to 98,746.52, 136,269.81 and 53,424.35

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Solution

The fourth proportional to 98,746.52, 136,269.81 and 53,424.35 is: 73,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,746.52 : 136,269.81 = 53,424.35 : x
  2. Step 2: Convert to fraction form
    98,746.52/136,269.81 = 53,424.35/x
  3. Step 3: Cross multiply
    98,746.52x = 136,269.81 × 53,424.35
  4. Step 4: Simplify right side
    98,746.52x = 7,280,125,342.52
  5. Step 5: Solve for x
    x = 7,280,125,342.52/98,746.52
  6. Step 6: Final answer
    x = 73,725.39

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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.