Home / 93,149.60-128,543.76-52,867.08

Finding the Fourth Proportional to 93,149.60, 128,543.76 and 52,867.08

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Solution

The fourth proportional to 93,149.60, 128,543.76 and 52,867.08 is: 72,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,149.60 : 128,543.76 = 52,867.08 : x
  2. Step 2: Convert to fraction form
    93,149.60/128,543.76 = 52,867.08/x
  3. Step 3: Cross multiply
    93,149.60x = 128,543.76 × 52,867.08
  4. Step 4: Simplify right side
    93,149.60x = 6,795,733,243.42
  5. Step 5: Solve for x
    x = 6,795,733,243.42/93,149.60
  6. Step 6: Final answer
    x = 72,955.05

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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.