Home / 93,671.02-140,605.54-91,555.70

Finding the Fourth Proportional to 93,671.02, 140,605.54 and 91,555.70

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Solution

The fourth proportional to 93,671.02, 140,605.54 and 91,555.70 is: 137,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,671.02 : 140,605.54 = 91,555.70 : x
  2. Step 2: Convert to fraction form
    93,671.02/140,605.54 = 91,555.70/x
  3. Step 3: Cross multiply
    93,671.02x = 140,605.54 × 91,555.70
  4. Step 4: Simplify right side
    93,671.02x = 12,873,238,638.58
  5. Step 5: Solve for x
    x = 12,873,238,638.58/93,671.02
  6. Step 6: Final answer
    x = 137,430.32

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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.