Home / 93,039.04-139,587.60-30,753.28

Finding the Fourth Proportional to 93,039.04, 139,587.60 and 30,753.28

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Solution

The fourth proportional to 93,039.04, 139,587.60 and 30,753.28 is: 46,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,039.04 : 139,587.60 = 30,753.28 : x
  2. Step 2: Convert to fraction form
    93,039.04/139,587.60 = 30,753.28/x
  3. Step 3: Cross multiply
    93,039.04x = 139,587.60 × 30,753.28
  4. Step 4: Simplify right side
    93,039.04x = 4,292,776,547.33
  5. Step 5: Solve for x
    x = 4,292,776,547.33/93,039.04
  6. Step 6: Final answer
    x = 46,139.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.