Home / 93,238.04-128,627.51-63,012.35

Finding the Fourth Proportional to 93,238.04, 128,627.51 and 63,012.35

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Solution

The fourth proportional to 93,238.04, 128,627.51 and 63,012.35 is: 86,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,238.04 : 128,627.51 = 63,012.35 : x
  2. Step 2: Convert to fraction form
    93,238.04/128,627.51 = 63,012.35/x
  3. Step 3: Cross multiply
    93,238.04x = 128,627.51 × 63,012.35
  4. Step 4: Simplify right side
    93,238.04x = 8,105,120,721.55
  5. Step 5: Solve for x
    x = 8,105,120,721.55/93,238.04
  6. Step 6: Final answer
    x = 86,929.34

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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.