Home / 93,878.64-129,554.10-51,434.46

Finding the Fourth Proportional to 93,878.64, 129,554.10 and 51,434.46

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Solution

The fourth proportional to 93,878.64, 129,554.10 and 51,434.46 is: 70,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,878.64 : 129,554.10 = 51,434.46 : x
  2. Step 2: Convert to fraction form
    93,878.64/129,554.10 = 51,434.46/x
  3. Step 3: Cross multiply
    93,878.64x = 129,554.10 × 51,434.46
  4. Step 4: Simplify right side
    93,878.64x = 6,663,545,174.29
  5. Step 5: Solve for x
    x = 6,663,545,174.29/93,878.64
  6. Step 6: Final answer
    x = 70,980.42

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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.