Home / 93,055.04-128,404.32-62,905.94

Finding the Fourth Proportional to 93,055.04, 128,404.32 and 62,905.94

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Solution

The fourth proportional to 93,055.04, 128,404.32 and 62,905.94 is: 86,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,055.04 : 128,404.32 = 62,905.94 : x
  2. Step 2: Convert to fraction form
    93,055.04/128,404.32 = 62,905.94/x
  3. Step 3: Cross multiply
    93,055.04x = 128,404.32 × 62,905.94
  4. Step 4: Simplify right side
    93,055.04x = 8,077,394,449.66
  5. Step 5: Solve for x
    x = 8,077,394,449.66/93,055.04
  6. Step 6: Final answer
    x = 86,802.33

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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.