Home / 93,737.79-129,338.15-55,509.35

Finding the Fourth Proportional to 93,737.79, 129,338.15 and 55,509.35

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Solution

The fourth proportional to 93,737.79, 129,338.15 and 55,509.35 is: 76,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,737.79 : 129,338.15 = 55,509.35 : x
  2. Step 2: Convert to fraction form
    93,737.79/129,338.15 = 55,509.35/x
  3. Step 3: Cross multiply
    93,737.79x = 129,338.15 × 55,509.35
  4. Step 4: Simplify right side
    93,737.79x = 7,179,475,712.47
  5. Step 5: Solve for x
    x = 7,179,475,712.47/93,737.79
  6. Step 6: Final answer
    x = 76,591.05

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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.