Home / 93,031.04-128,378.96-52,747.53

Finding the Fourth Proportional to 93,031.04, 128,378.96 and 52,747.53

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Solution

The fourth proportional to 93,031.04, 128,378.96 and 52,747.53 is: 72,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,031.04 : 128,378.96 = 52,747.53 : x
  2. Step 2: Convert to fraction form
    93,031.04/128,378.96 = 52,747.53/x
  3. Step 3: Cross multiply
    93,031.04x = 128,378.96 × 52,747.53
  4. Step 4: Simplify right side
    93,031.04x = 6,771,672,138.34
  5. Step 5: Solve for x
    x = 6,771,672,138.34/93,031.04
  6. Step 6: Final answer
    x = 72,789.38

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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.