Home / 93,939.04-129,641.22-55,721.26

Finding the Fourth Proportional to 93,939.04, 129,641.22 and 55,721.26

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Solution

The fourth proportional to 93,939.04, 129,641.22 and 55,721.26 is: 76,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,939.04 : 129,641.22 = 55,721.26 : x
  2. Step 2: Convert to fraction form
    93,939.04/129,641.22 = 55,721.26/x
  3. Step 3: Cross multiply
    93,939.04x = 129,641.22 × 55,721.26
  4. Step 4: Simplify right side
    93,939.04x = 7,223,772,126.34
  5. Step 5: Solve for x
    x = 7,223,772,126.34/93,939.04
  6. Step 6: Final answer
    x = 76,898.51

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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.