Home / 93,570.46-129,125.70-51,128.08

Finding the Fourth Proportional to 93,570.46, 129,125.70 and 51,128.08

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Solution

The fourth proportional to 93,570.46, 129,125.70 and 51,128.08 is: 70,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,570.46 : 129,125.70 = 51,128.08 : x
  2. Step 2: Convert to fraction form
    93,570.46/129,125.70 = 51,128.08/x
  3. Step 3: Cross multiply
    93,570.46x = 129,125.70 × 51,128.08
  4. Step 4: Simplify right side
    93,570.46x = 6,601,949,119.66
  5. Step 5: Solve for x
    x = 6,601,949,119.66/93,570.46
  6. Step 6: Final answer
    x = 70,555.91

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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.