Home / 93,671.04-129,269.40-53,390.88

Finding the Fourth Proportional to 93,671.04, 129,269.40 and 53,390.88

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Solution

The fourth proportional to 93,671.04, 129,269.40 and 53,390.88 is: 73,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,671.04 : 129,269.40 = 53,390.88 : x
  2. Step 2: Convert to fraction form
    93,671.04/129,269.40 = 53,390.88/x
  3. Step 3: Cross multiply
    93,671.04x = 129,269.40 × 53,390.88
  4. Step 4: Simplify right side
    93,671.04x = 6,901,807,023.07
  5. Step 5: Solve for x
    x = 6,901,807,023.07/93,671.04
  6. Step 6: Final answer
    x = 73,681.33

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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.