Home / 93,140.04-128,536.56-52,855.50

Finding the Fourth Proportional to 93,140.04, 128,536.56 and 52,855.50

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Solution

The fourth proportional to 93,140.04, 128,536.56 and 52,855.50 is: 72,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,140.04 : 128,536.56 = 52,855.50 : x
  2. Step 2: Convert to fraction form
    93,140.04/128,536.56 = 52,855.50/x
  3. Step 3: Cross multiply
    93,140.04x = 128,536.56 × 52,855.50
  4. Step 4: Simplify right side
    93,140.04x = 6,793,864,147.08
  5. Step 5: Solve for x
    x = 6,793,864,147.08/93,140.04
  6. Step 6: Final answer
    x = 72,942.47

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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.