Home / 93,989.15-129,705.18-51,547.94

Finding the Fourth Proportional to 93,989.15, 129,705.18 and 51,547.94

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Solution

The fourth proportional to 93,989.15, 129,705.18 and 51,547.94 is: 71,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,989.15 : 129,705.18 = 51,547.94 : x
  2. Step 2: Convert to fraction form
    93,989.15/129,705.18 = 51,547.94/x
  3. Step 3: Cross multiply
    93,989.15x = 129,705.18 × 51,547.94
  4. Step 4: Simplify right side
    93,989.15x = 6,686,034,836.33
  5. Step 5: Solve for x
    x = 6,686,034,836.33/93,989.15
  6. Step 6: Final answer
    x = 71,136.24

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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.