Home / 93,706.08-129,312.15-57,421.73

Finding the Fourth Proportional to 93,706.08, 129,312.15 and 57,421.73

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Solution

The fourth proportional to 93,706.08, 129,312.15 and 57,421.73 is: 79,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,706.08 : 129,312.15 = 57,421.73 : x
  2. Step 2: Convert to fraction form
    93,706.08/129,312.15 = 57,421.73/x
  3. Step 3: Cross multiply
    93,706.08x = 129,312.15 × 57,421.73
  4. Step 4: Simplify right side
    93,706.08x = 7,425,326,716.46
  5. Step 5: Solve for x
    x = 7,425,326,716.46/93,706.08
  6. Step 6: Final answer
    x = 79,240.61

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1.5x scale

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.