Home / 93,859.18-129,528.89-51,417.70

Finding the Fourth Proportional to 93,859.18, 129,528.89 and 51,417.70

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Solution

The fourth proportional to 93,859.18, 129,528.89 and 51,417.70 is: 70,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,859.18 : 129,528.89 = 51,417.70 : x
  2. Step 2: Convert to fraction form
    93,859.18/129,528.89 = 51,417.70/x
  3. Step 3: Cross multiply
    93,859.18x = 129,528.89 × 51,417.70
  4. Step 4: Simplify right side
    93,859.18x = 6,660,077,607.35
  5. Step 5: Solve for x
    x = 6,660,077,607.35/93,859.18
  6. Step 6: Final answer
    x = 70,958.19

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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.