Home / 93,680.81-129,333-61,941.77

Finding the Fourth Proportional to 93,680.81, 129,333 and 61,941.77

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Solution

The fourth proportional to 93,680.81, 129,333 and 61,941.77 is: 85,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,680.81 : 129,333 = 61,941.77 : x
  2. Step 2: Convert to fraction form
    93,680.81/129,333 = 61,941.77/x
  3. Step 3: Cross multiply
    93,680.81x = 129,333 × 61,941.77
  4. Step 4: Simplify right side
    93,680.81x = 8,011,114,292.75
  5. Step 5: Solve for x
    x = 8,011,114,292.75/93,680.81
  6. Step 6: Final answer
    x = 85,515.00

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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.