Home / 93,397.50-128,798.64-62,839.44

Finding the Fourth Proportional to 93,397.50, 128,798.64 and 62,839.44

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Solution

The fourth proportional to 93,397.50, 128,798.64 and 62,839.44 is: 86,657.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,397.50 : 128,798.64 = 62,839.44 : x
  2. Step 2: Convert to fraction form
    93,397.50/128,798.64 = 62,839.44/x
  3. Step 3: Cross multiply
    93,397.50x = 128,798.64 × 62,839.44
  4. Step 4: Simplify right side
    93,397.50x = 8,093,634,410.36
  5. Step 5: Solve for x
    x = 8,093,634,410.36/93,397.50
  6. Step 6: Final answer
    x = 86,657.93

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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.