Home / 93,981.36-129,695.94-51,539.52

Finding the Fourth Proportional to 93,981.36, 129,695.94 and 51,539.52

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Solution

The fourth proportional to 93,981.36, 129,695.94 and 51,539.52 is: 71,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,981.36 : 129,695.94 = 51,539.52 : x
  2. Step 2: Convert to fraction form
    93,981.36/129,695.94 = 51,539.52/x
  3. Step 3: Cross multiply
    93,981.36x = 129,695.94 × 51,539.52
  4. Step 4: Simplify right side
    93,981.36x = 6,684,466,493.55
  5. Step 5: Solve for x
    x = 6,684,466,493.55/93,981.36
  6. Step 6: Final answer
    x = 71,125.45

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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.