Home / 93,329.15-128,815.11-59,331.02

Finding the Fourth Proportional to 93,329.15, 128,815.11 and 59,331.02

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Solution

The fourth proportional to 93,329.15, 128,815.11 and 59,331.02 is: 81,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,329.15 : 128,815.11 = 59,331.02 : x
  2. Step 2: Convert to fraction form
    93,329.15/128,815.11 = 59,331.02/x
  3. Step 3: Cross multiply
    93,329.15x = 128,815.11 × 59,331.02
  4. Step 4: Simplify right side
    93,329.15x = 7,642,731,223.64
  5. Step 5: Solve for x
    x = 7,642,731,223.64/93,329.15
  6. Step 6: Final answer
    x = 81,890.08

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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.