Home / 93,539.03-129,042.85-57,242.22

Finding the Fourth Proportional to 93,539.03, 129,042.85 and 57,242.22

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Solution

The fourth proportional to 93,539.03, 129,042.85 and 57,242.22 is: 78,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,539.03 : 129,042.85 = 57,242.22 : x
  2. Step 2: Convert to fraction form
    93,539.03/129,042.85 = 57,242.22/x
  3. Step 3: Cross multiply
    93,539.03x = 129,042.85 × 57,242.22
  4. Step 4: Simplify right side
    93,539.03x = 7,386,698,891.38
  5. Step 5: Solve for x
    x = 7,386,698,891.38/93,539.03
  6. Step 6: Final answer
    x = 78,969.16

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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.