Home / 93,038.49-139,364.15-77,206.23

Finding the Fourth Proportional to 93,038.49, 139,364.15 and 77,206.23

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Solution

The fourth proportional to 93,038.49, 139,364.15 and 77,206.23 is: 115,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,038.49 : 139,364.15 = 77,206.23 : x
  2. Step 2: Convert to fraction form
    93,038.49/139,364.15 = 77,206.23/x
  3. Step 3: Cross multiply
    93,038.49x = 139,364.15 × 77,206.23
  4. Step 4: Simplify right side
    93,038.49x = 10,759,780,232.62
  5. Step 5: Solve for x
    x = 10,759,780,232.62/93,038.49
  6. Step 6: Final answer
    x = 115,648.70

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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.